81613269

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 128988288

約数和(自身を除く): 47375019

約数列:

[1, 3, 9, 23, 43, 53, 69, 129, 159, 173, 207, 387, 477, 519, 989, 1219, 1557, 2279, 2967, 3657, 3979, 6837, 7439, 8901, 9169, 10971, 11937, 20511, 22317, 27507, 35811, 52417, 66951, 82521, 157251, 171097, 210887, 394267, 471753, 513291, 632661, 1182801, 1539873, 1897983, 3548403, 9068141, 27204423, 81613269]

約数ペア:

[(1, 81613269), (3, 27204423), (9, 9068141), (23, 3548403), (43, 1897983), (53, 1539873), (69, 1182801), (129, 632661), (159, 513291), (173, 471753), (207, 394267), (387, 210887), (477, 171097), (519, 157251), (989, 82521), (1219, 66951), (1557, 52417), (2279, 35811), (2967, 27507), (3657, 22317), (3979, 20511), (6837, 11937), (7439, 10971), (8901, 9169)]