630904515

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 1048025088

約数和(自身を除く): 417120573

約数列:

[1, 3, 5, 15, 41, 123, 131, 191, 205, 393, 573, 615, 655, 955, 1681, 1965, 2865, 5043, 5371, 7831, 8405, 16113, 23493, 25021, 25215, 26855, 39155, 75063, 80565, 117465, 125105, 220211, 321071, 375315, 660633, 963213, 1025861, 1101055, 1605355, 3077583, 3303165, 4816065, 5129305, 15387915, 42060301, 126180903, 210301505, 630904515]

約数ペア:

[(1, 630904515), (3, 210301505), (5, 126180903), (15, 42060301), (41, 15387915), (123, 5129305), (131, 4816065), (191, 3303165), (205, 3077583), (393, 1605355), (573, 1101055), (615, 1025861), (655, 963213), (955, 660633), (1681, 375315), (1965, 321071), (2865, 220211), (5043, 125105), (5371, 117465), (7831, 80565), (8405, 75063), (16113, 39155), (23493, 26855), (25021, 25215)]