203417325

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 120

約数和(自身を含む): 421312320

約数和(自身を除く): 217894995

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 81, 85, 95, 135, 153, 171, 225, 255, 285, 311, 323, 405, 425, 459, 475, 513, 675, 765, 855, 933, 969, 1275, 1377, 1425, 1539, 1555, 1615, 2025, 2295, 2565, 2799, 2907, 3825, 4275, 4665, 4845, 5287, 5909, 6885, 7695, 7775, 8075, 8397, 8721, 11475, 12825, 13995, 14535, 15861, 17727, 23325, 24225, 25191, 26163, 26435, 29545, 34425, 38475, 41985, 43605, 47583, 53181, 69975, 72675, 79305, 88635, 100453, 125955, 130815, 132175, 142749, 147725, 159543, 209925, 218025, 237915, 265905, 301359, 396525, 428247, 443175, 478629, 502265, 629775, 654075, 713745, 797715, 904077, 1189575, 1329525, 1506795, 2141235, 2393145, 2511325, 2712231, 3568725, 3988575, 4520385, 7533975, 8136693, 10706175, 11965725, 13561155, 22601925, 40683465, 67805775, 203417325]

約数ペア:

[(1, 203417325), (3, 67805775), (5, 40683465), (9, 22601925), (15, 13561155), (17, 11965725), (19, 10706175), (25, 8136693), (27, 7533975), (45, 4520385), (51, 3988575), (57, 3568725), (75, 2712231), (81, 2511325), (85, 2393145), (95, 2141235), (135, 1506795), (153, 1329525), (171, 1189575), (225, 904077), (255, 797715), (285, 713745), (311, 654075), (323, 629775), (405, 502265), (425, 478629), (459, 443175), (475, 428247), (513, 396525), (675, 301359), (765, 265905), (855, 237915), (933, 218025), (969, 209925), (1275, 159543), (1377, 147725), (1425, 142749), (1539, 132175), (1555, 130815), (1615, 125955), (2025, 100453), (2295, 88635), (2565, 79305), (2799, 72675), (2907, 69975), (3825, 53181), (4275, 47583), (4665, 43605), (4845, 41985), (5287, 38475), (5909, 34425), (6885, 29545), (7695, 26435), (7775, 26163), (8075, 25191), (8397, 24225), (8721, 23325), (11475, 17727), (12825, 15861), (13995, 14535)]