15387915

素因数分解:

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

素因数の和:371

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 10158837

約数列:

[1, 3, 5, 15, 41, 123, 131, 191, 205, 393, 573, 615, 655, 955, 1965, 2865, 5371, 7831, 16113, 23493, 25021, 26855, 39155, 75063, 80565, 117465, 125105, 375315, 1025861, 3077583, 5129305, 15387915]

約数ペア:

[(1, 15387915), (3, 5129305), (5, 3077583), (15, 1025861), (41, 375315), (123, 125105), (131, 117465), (191, 80565), (205, 75063), (393, 39155), (573, 26855), (615, 25021), (655, 23493), (955, 16113), (1965, 7831), (2865, 5371)]