66506175

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 128444160

約数和(自身を除く): 61937985

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 225, 235, 285, 331, 423, 475, 705, 855, 893, 993, 1175, 1425, 1655, 2115, 2679, 2979, 3525, 4275, 4465, 4965, 6289, 8037, 8275, 10575, 13395, 14895, 15557, 18867, 22325, 24825, 31445, 40185, 46671, 56601, 66975, 74475, 77785, 94335, 140013, 157225, 200925, 233355, 283005, 295583, 388925, 471675, 700065, 886749, 1166775, 1415025, 1477915, 2660247, 3500325, 4433745, 7389575, 13301235, 22168725, 66506175]

約数ペア:

[(1, 66506175), (3, 22168725), (5, 13301235), (9, 7389575), (15, 4433745), (19, 3500325), (25, 2660247), (45, 1477915), (47, 1415025), (57, 1166775), (75, 886749), (95, 700065), (141, 471675), (171, 388925), (225, 295583), (235, 283005), (285, 233355), (331, 200925), (423, 157225), (475, 140013), (705, 94335), (855, 77785), (893, 74475), (993, 66975), (1175, 56601), (1425, 46671), (1655, 40185), (2115, 31445), (2679, 24825), (2979, 22325), (3525, 18867), (4275, 15557), (4465, 14895), (4965, 13395), (6289, 10575), (8037, 8275)]