2561895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2711}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 5207040

約数和(自身を除く): 2645145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2711, 8133, 13555, 18977, 24399, 40665, 56931, 73197, 94885, 121995, 170793, 284655, 365985, 512379, 853965, 2561895]

約数ペア:

[(1, 2561895), (3, 853965), (5, 512379), (7, 365985), (9, 284655), (15, 170793), (21, 121995), (27, 94885), (35, 73197), (45, 56931), (63, 40665), (105, 24399), (135, 18977), (189, 13555), (315, 8133), (945, 2711)]