1322265

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{257}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 2476800

約数和(自身を除く): 1154535

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 257, 343, 735, 771, 1029, 1285, 1715, 1799, 3855, 5145, 5397, 8995, 12593, 26985, 37779, 62965, 88151, 188895, 264453, 440755, 1322265]

約数ペア:

[(1, 1322265), (3, 440755), (5, 264453), (7, 188895), (15, 88151), (21, 62965), (35, 37779), (49, 26985), (105, 12593), (147, 8995), (245, 5397), (257, 5145), (343, 3855), (735, 1799), (771, 1715), (1029, 1285)]