68987649

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 102795264

約数和(自身を除く): 33807615

約数列:

[1, 3, 17, 23, 51, 69, 103, 309, 391, 571, 1173, 1713, 1751, 2369, 5253, 7107, 9707, 13133, 29121, 39399, 40273, 58813, 120819, 176439, 223261, 669783, 999821, 1352699, 2999463, 4058097, 22995883, 68987649]

約数ペア:

[(1, 68987649), (3, 22995883), (17, 4058097), (23, 2999463), (51, 1352699), (69, 999821), (103, 669783), (309, 223261), (391, 176439), (571, 120819), (1173, 58813), (1713, 40273), (1751, 39399), (2369, 29121), (5253, 13133), (7107, 9707)]