401048355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{2087}}^1$

素因数の和:2675

約数の個数: 32

約数和(自身を含む): 671099904

約数和(自身を除く): 270051549

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 557, 1671, 2087, 2785, 6261, 8355, 10435, 12811, 31305, 38433, 48001, 64055, 144003, 192165, 240005, 720015, 1162459, 3487377, 5812295, 17436885, 26736557, 80209671, 133682785, 401048355]

約数ペア:

[(1, 401048355), (3, 133682785), (5, 80209671), (15, 26736557), (23, 17436885), (69, 5812295), (115, 3487377), (345, 1162459), (557, 720015), (1671, 240005), (2087, 192165), (2785, 144003), (6261, 64055), (8355, 48001), (10435, 38433), (12811, 31305)]