31517385

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 51788160

約数和(自身を除く): 20270775

約数列:

[1, 3, 5, 15, 73, 107, 219, 269, 321, 365, 535, 807, 1095, 1345, 1605, 4035, 7811, 19637, 23433, 28783, 39055, 58911, 86349, 98185, 117165, 143915, 294555, 431745, 2101159, 6303477, 10505795, 31517385]

約数ペア:

[(1, 31517385), (3, 10505795), (5, 6303477), (15, 2101159), (73, 431745), (107, 294555), (219, 143915), (269, 117165), (321, 98185), (365, 86349), (535, 58911), (807, 39055), (1095, 28783), (1345, 23433), (1605, 19637), (4035, 7811)]