81188925

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 138419712

約数和(自身を除く): 57230787

約数列:

[1, 3, 5, 15, 25, 67, 75, 107, 151, 201, 321, 335, 453, 535, 755, 1005, 1605, 1675, 2265, 2675, 3775, 5025, 7169, 8025, 10117, 11325, 16157, 21507, 30351, 35845, 48471, 50585, 80785, 107535, 151755, 179225, 242355, 252925, 403925, 537675, 758775, 1082519, 1211775, 3247557, 5412595, 16237785, 27062975, 81188925]

約数ペア:

[(1, 81188925), (3, 27062975), (5, 16237785), (15, 5412595), (25, 3247557), (67, 1211775), (75, 1082519), (107, 758775), (151, 537675), (201, 403925), (321, 252925), (335, 242355), (453, 179225), (535, 151755), (755, 107535), (1005, 80785), (1605, 50585), (1675, 48471), (2265, 35845), (2675, 30351), (3775, 21507), (5025, 16157), (7169, 11325), (8025, 10117)]