31028907

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1249}}^1$

素因数の和:1292

約数の個数: 36

約数和(自身を含む): 52155000

約数和(自身を除く): 21126093

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 169, 273, 507, 637, 1183, 1249, 1911, 3549, 3747, 8281, 8743, 16237, 24843, 26229, 48711, 61201, 113659, 183603, 211081, 340977, 633243, 795613, 1477567, 2386839, 4432701, 10342969, 31028907]

約数ペア:

[(1, 31028907), (3, 10342969), (7, 4432701), (13, 2386839), (21, 1477567), (39, 795613), (49, 633243), (91, 340977), (147, 211081), (169, 183603), (273, 113659), (507, 61201), (637, 48711), (1183, 26229), (1249, 24843), (1911, 16237), (3549, 8743), (3747, 8281)]