221397165

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 235831635

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 53, 55, 87, 97, 99, 135, 145, 159, 165, 261, 265, 291, 297, 319, 435, 477, 485, 495, 583, 783, 795, 873, 957, 1067, 1305, 1431, 1455, 1485, 1537, 1595, 1749, 2385, 2619, 2813, 2871, 2915, 3201, 3915, 4365, 4611, 4785, 5141, 5247, 5335, 7155, 7685, 8439, 8613, 8745, 9603, 13095, 13833, 14065, 14355, 15423, 15741, 16005, 16907, 23055, 25317, 25705, 26235, 28809, 30943, 41499, 42195, 43065, 46269, 48015, 50721, 56551, 69165, 75951, 77115, 78705, 84535, 92829, 126585, 138807, 144045, 149089, 152163, 154715, 169653, 207495, 231345, 253605, 278487, 282755, 379755, 447267, 456489, 464145, 508959, 694035, 745445, 760815, 835461, 848265, 1341801, 1392435, 1526877, 1639979, 2236335, 2282445, 2544795, 4025403, 4177305, 4919937, 6709005, 7634385, 8199895, 14759811, 20127015, 24599685, 44279433, 73799055, 221397165]

約数ペア:

[(1, 221397165), (3, 73799055), (5, 44279433), (9, 24599685), (11, 20127015), (15, 14759811), (27, 8199895), (29, 7634385), (33, 6709005), (45, 4919937), (53, 4177305), (55, 4025403), (87, 2544795), (97, 2282445), (99, 2236335), (135, 1639979), (145, 1526877), (159, 1392435), (165, 1341801), (261, 848265), (265, 835461), (291, 760815), (297, 745445), (319, 694035), (435, 508959), (477, 464145), (485, 456489), (495, 447267), (583, 379755), (783, 282755), (795, 278487), (873, 253605), (957, 231345), (1067, 207495), (1305, 169653), (1431, 154715), (1455, 152163), (1485, 149089), (1537, 144045), (1595, 138807), (1749, 126585), (2385, 92829), (2619, 84535), (2813, 78705), (2871, 77115), (2915, 75951), (3201, 69165), (3915, 56551), (4365, 50721), (4611, 48015), (4785, 46269), (5141, 43065), (5247, 42195), (5335, 41499), (7155, 30943), (7685, 28809), (8439, 26235), (8613, 25705), (8745, 25317), (9603, 23055), (13095, 16907), (13833, 16005), (14065, 15741), (14355, 15423)]