805250907

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 1241697600

約数和(自身を除く): 436446693

約数列:

[1, 3, 9, 23, 69, 89, 109, 207, 267, 327, 401, 801, 981, 1203, 2047, 2507, 3609, 6141, 7521, 9223, 9701, 18423, 22563, 27669, 29103, 35689, 43709, 83007, 87309, 107067, 131127, 223123, 321201, 393381, 669369, 820847, 1005307, 2008107, 2462541, 3015921, 3890101, 7387623, 9047763, 11670303, 35010909, 89472323, 268416969, 805250907]

約数ペア:

[(1, 805250907), (3, 268416969), (9, 89472323), (23, 35010909), (69, 11670303), (89, 9047763), (109, 7387623), (207, 3890101), (267, 3015921), (327, 2462541), (401, 2008107), (801, 1005307), (981, 820847), (1203, 669369), (2047, 393381), (2507, 321201), (3609, 223123), (6141, 131127), (7521, 107067), (9223, 87309), (9701, 83007), (18423, 43709), (22563, 35689), (27669, 29103)]