31771155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 56077056

約数和(自身を除く): 24305901

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 151, 169, 195, 249, 415, 453, 507, 755, 845, 1079, 1245, 1963, 2265, 2535, 3237, 5395, 5889, 9815, 12533, 14027, 16185, 25519, 29445, 37599, 42081, 62665, 70135, 76557, 127595, 162929, 187995, 210405, 382785, 488787, 814645, 2118077, 2443935, 6354231, 10590385, 31771155]

約数ペア:

[(1, 31771155), (3, 10590385), (5, 6354231), (13, 2443935), (15, 2118077), (39, 814645), (65, 488787), (83, 382785), (151, 210405), (169, 187995), (195, 162929), (249, 127595), (415, 76557), (453, 70135), (507, 62665), (755, 42081), (845, 37599), (1079, 29445), (1245, 25519), (1963, 16185), (2265, 14027), (2535, 12533), (3237, 9815), (5395, 5889)]