31906329

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 53109504

約数和(自身を除く): 21203175

約数列:

[1, 3, 7, 13, 21, 39, 73, 91, 219, 273, 511, 949, 1533, 1601, 2847, 4803, 6643, 11207, 19929, 20813, 33621, 62439, 116873, 145691, 350619, 437073, 818111, 1519349, 2454333, 4558047, 10635443, 31906329]

約数ペア:

[(1, 31906329), (3, 10635443), (7, 4558047), (13, 2454333), (21, 1519349), (39, 818111), (73, 437073), (91, 350619), (219, 145691), (273, 116873), (511, 62439), (949, 33621), (1533, 20813), (1601, 19929), (2847, 11207), (4803, 6643)]