68865381

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 113183616

約数和(自身を除く): 44318235

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 157, 163, 207, 299, 471, 489, 897, 1413, 1467, 2041, 2119, 2691, 3611, 3749, 6123, 6357, 10833, 11247, 18369, 19071, 25591, 32499, 33741, 46943, 48737, 76773, 140829, 146211, 230319, 332683, 422487, 438633, 588593, 998049, 1765779, 2994147, 5297337, 7651709, 22955127, 68865381]

約数ペア:

[(1, 68865381), (3, 22955127), (9, 7651709), (13, 5297337), (23, 2994147), (39, 1765779), (69, 998049), (117, 588593), (157, 438633), (163, 422487), (207, 332683), (299, 230319), (471, 146211), (489, 140829), (897, 76773), (1413, 48737), (1467, 46943), (2041, 33741), (2119, 32499), (2691, 25591), (3611, 19071), (3749, 18369), (6123, 11247), (6357, 10833)]