279613575

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 517877568

約数和(自身を除く): 238263993

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 137, 141, 193, 225, 235, 411, 423, 579, 685, 705, 965, 1175, 1233, 1737, 2055, 2115, 2895, 3425, 3525, 4825, 6165, 6439, 8685, 9071, 10275, 10575, 14475, 19317, 26441, 27213, 30825, 32195, 43425, 45355, 57951, 79323, 81639, 96585, 132205, 136065, 160975, 226775, 237969, 289755, 396615, 408195, 482925, 661025, 680325, 1189845, 1242727, 1448775, 1983075, 2040975, 3728181, 5949225, 6213635, 11184543, 18640905, 31068175, 55922715, 93204525, 279613575]

約数ペア:

[(1, 279613575), (3, 93204525), (5, 55922715), (9, 31068175), (15, 18640905), (25, 11184543), (45, 6213635), (47, 5949225), (75, 3728181), (137, 2040975), (141, 1983075), (193, 1448775), (225, 1242727), (235, 1189845), (411, 680325), (423, 661025), (579, 482925), (685, 408195), (705, 396615), (965, 289755), (1175, 237969), (1233, 226775), (1737, 160975), (2055, 136065), (2115, 132205), (2895, 96585), (3425, 81639), (3525, 79323), (4825, 57951), (6165, 45355), (6439, 43425), (8685, 32195), (9071, 30825), (10275, 27213), (10575, 26441), (14475, 19317)]