3180303

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 5575680

約数和(自身を除く): 2395377

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 79, 81, 189, 213, 237, 497, 553, 567, 639, 711, 1491, 1659, 1917, 2133, 4473, 4977, 5609, 5751, 6399, 13419, 14931, 16827, 39263, 40257, 44793, 50481, 117789, 151443, 353367, 454329, 1060101, 3180303]

約数ペア:

[(1, 3180303), (3, 1060101), (7, 454329), (9, 353367), (21, 151443), (27, 117789), (63, 50481), (71, 44793), (79, 40257), (81, 39263), (189, 16827), (213, 14931), (237, 13419), (497, 6399), (553, 5751), (567, 5609), (639, 4977), (711, 4473), (1491, 2133), (1659, 1917)]