398514897

素因数分解:

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

素因数の和:205

約数の個数: 96

約数和(自身を含む): 693463680

約数和(自身を除く): 294948783

約数列:

[1, 3, 9, 11, 27, 29, 33, 53, 81, 87, 97, 99, 159, 243, 261, 291, 297, 319, 477, 583, 783, 873, 891, 957, 1067, 1431, 1537, 1749, 2349, 2619, 2673, 2813, 2871, 3201, 4293, 4611, 5141, 5247, 7047, 7857, 8439, 8613, 9603, 12879, 13833, 15423, 15741, 16907, 23571, 25317, 25839, 28809, 30943, 41499, 46269, 47223, 50721, 56551, 75951, 77517, 86427, 92829, 124497, 138807, 141669, 149089, 152163, 169653, 227853, 259281, 278487, 373491, 416421, 447267, 456489, 508959, 683559, 835461, 1249263, 1341801, 1369467, 1526877, 1639979, 2506383, 4025403, 4108401, 4580631, 4919937, 7519149, 12076209, 13741893, 14759811, 36228627, 44279433, 132838299, 398514897]

約数ペア:

[(1, 398514897), (3, 132838299), (9, 44279433), (11, 36228627), (27, 14759811), (29, 13741893), (33, 12076209), (53, 7519149), (81, 4919937), (87, 4580631), (97, 4108401), (99, 4025403), (159, 2506383), (243, 1639979), (261, 1526877), (291, 1369467), (297, 1341801), (319, 1249263), (477, 835461), (583, 683559), (783, 508959), (873, 456489), (891, 447267), (957, 416421), (1067, 373491), (1431, 278487), (1537, 259281), (1749, 227853), (2349, 169653), (2619, 152163), (2673, 149089), (2813, 141669), (2871, 138807), (3201, 124497), (4293, 92829), (4611, 86427), (5141, 77517), (5247, 75951), (7047, 56551), (7857, 50721), (8439, 47223), (8613, 46269), (9603, 41499), (12879, 30943), (13833, 28809), (15423, 25839), (15741, 25317), (16907, 23571)]