123977145

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 201738240

約数和(自身を除く): 77761095

約数列:

[1, 3, 5, 15, 109, 191, 327, 397, 545, 573, 955, 1191, 1635, 1985, 2865, 5955, 20819, 43273, 62457, 75827, 104095, 129819, 216365, 227481, 312285, 379135, 649095, 1137405, 8265143, 24795429, 41325715, 123977145]

約数ペア:

[(1, 123977145), (3, 41325715), (5, 24795429), (15, 8265143), (109, 1137405), (191, 649095), (327, 379135), (397, 312285), (545, 227481), (573, 216365), (955, 129819), (1191, 104095), (1635, 75827), (1985, 62457), (2865, 43273), (5955, 20819)]