8340015

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 13934592

約数和(自身を除く): 5594577

約数列:

[1, 3, 5, 15, 41, 71, 123, 191, 205, 213, 355, 573, 615, 955, 1065, 2865, 2911, 7831, 8733, 13561, 14555, 23493, 39155, 40683, 43665, 67805, 117465, 203415, 556001, 1668003, 2780005, 8340015]

約数ペア:

[(1, 8340015), (3, 2780005), (5, 1668003), (15, 556001), (41, 203415), (71, 117465), (123, 67805), (191, 43665), (205, 40683), (213, 39155), (355, 23493), (573, 14555), (615, 13561), (955, 8733), (1065, 7831), (2865, 2911)]