31000431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2003}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 52328448

約数和(自身を除く): 21328017

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1407, 2003, 2211, 5159, 6009, 14021, 15477, 22033, 42063, 66099, 134201, 154231, 402603, 462693, 939407, 1476211, 2818221, 4428633, 10333477, 31000431]

約数ペア:

[(1, 31000431), (3, 10333477), (7, 4428633), (11, 2818221), (21, 1476211), (33, 939407), (67, 462693), (77, 402603), (201, 154231), (231, 134201), (469, 66099), (737, 42063), (1407, 22033), (2003, 15477), (2211, 14021), (5159, 6009)]