87690975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{27191}}^1$

素因数の和:27247

約数の個数: 24

約数和(自身を含む): 148359552

約数和(自身を除く): 60668577

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 27191, 81573, 135955, 407865, 679775, 1169213, 2039325, 3507639, 5846065, 17538195, 29230325, 87690975]

約数ペア:

[(1, 87690975), (3, 29230325), (5, 17538195), (15, 5846065), (25, 3507639), (43, 2039325), (75, 1169213), (129, 679775), (215, 407865), (645, 135955), (1075, 81573), (3225, 27191)]