25673529

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 40421376

約数和(自身を除く): 14747847

約数列:

[1, 3, 7, 21, 67, 71, 201, 213, 257, 469, 497, 771, 1407, 1491, 1799, 4757, 5397, 14271, 17219, 18247, 33299, 51657, 54741, 99897, 120533, 127729, 361599, 383187, 1222549, 3667647, 8557843, 25673529]

約数ペア:

[(1, 25673529), (3, 8557843), (7, 3667647), (21, 1222549), (67, 383187), (71, 361599), (201, 127729), (213, 120533), (257, 99897), (469, 54741), (497, 51657), (771, 33299), (1407, 18247), (1491, 17219), (1799, 14271), (4757, 5397)]