30781135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4703}}^1$

素因数の和:4743

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 17989937

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 4703, 6545, 23515, 32921, 51733, 79951, 164605, 258665, 362131, 399755, 559657, 879461, 1810655, 2798285, 4397305, 6156227, 30781135]

約数ペア:

[(1, 30781135), (5, 6156227), (7, 4397305), (11, 2798285), (17, 1810655), (35, 879461), (55, 559657), (77, 399755), (85, 362131), (119, 258665), (187, 164605), (385, 79951), (595, 51733), (935, 32921), (1309, 23515), (4703, 6545)]