1697631

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 32

約数和(自身を含む): 2688000

約数和(自身を除く): 990369

約数列:

[1, 3, 13, 19, 29, 39, 57, 79, 87, 237, 247, 377, 551, 741, 1027, 1131, 1501, 1653, 2291, 3081, 4503, 6873, 7163, 19513, 21489, 29783, 43529, 58539, 89349, 130587, 565877, 1697631]

約数ペア:

[(1, 1697631), (3, 565877), (13, 130587), (19, 89349), (29, 58539), (39, 43529), (57, 29783), (79, 21489), (87, 19513), (237, 7163), (247, 6873), (377, 4503), (551, 3081), (741, 2291), (1027, 1653), (1131, 1501)]