18173415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 32254848

約数和(自身を除く): 14081433

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 107, 169, 195, 201, 321, 335, 507, 535, 845, 871, 1005, 1391, 1605, 2535, 2613, 4173, 4355, 6955, 7169, 11323, 13065, 18083, 20865, 21507, 33969, 35845, 54249, 56615, 90415, 93197, 107535, 169845, 271245, 279591, 465985, 1211561, 1397955, 3634683, 6057805, 18173415]

約数ペア:

[(1, 18173415), (3, 6057805), (5, 3634683), (13, 1397955), (15, 1211561), (39, 465985), (65, 279591), (67, 271245), (107, 169845), (169, 107535), (195, 93197), (201, 90415), (321, 56615), (335, 54249), (507, 35845), (535, 33969), (845, 21507), (871, 20865), (1005, 18083), (1391, 13065), (1605, 11323), (2535, 7169), (2613, 6955), (4173, 4355)]