3947697

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 6667584

約数和(自身を除く): 2719887

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 163, 207, 299, 351, 489, 621, 897, 1053, 1467, 1863, 2119, 2691, 3749, 4401, 6357, 8073, 11247, 13203, 19071, 24219, 33741, 48737, 57213, 101223, 146211, 171639, 303669, 438633, 1315899, 3947697]

約数ペア:

[(1, 3947697), (3, 1315899), (9, 438633), (13, 303669), (23, 171639), (27, 146211), (39, 101223), (69, 57213), (81, 48737), (117, 33741), (163, 24219), (207, 19071), (299, 13203), (351, 11247), (489, 8073), (621, 6357), (897, 4401), (1053, 3749), (1467, 2691), (1863, 2119)]