25220865

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 42900480

約数和(自身を除く): 17679615

約数列:

[1, 3, 5, 15, 29, 37, 87, 111, 145, 185, 435, 555, 1073, 1567, 3219, 4701, 5365, 7835, 16095, 23505, 45443, 57979, 136329, 173937, 227215, 289895, 681645, 869685, 1681391, 5044173, 8406955, 25220865]

約数ペア:

[(1, 25220865), (3, 8406955), (5, 5044173), (15, 1681391), (29, 869685), (37, 681645), (87, 289895), (111, 227215), (145, 173937), (185, 136329), (435, 57979), (555, 45443), (1073, 23505), (1567, 16095), (3219, 7835), (4701, 5365)]