91171521

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1877}}^1$

素因数の和:2150

約数の個数: 32

約数和(自身を含む): 155047680

約数和(自身を除く): 63876159

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1799, 1877, 2313, 5397, 5631, 6939, 13139, 16191, 16893, 39417, 48573, 50679, 118251, 354753, 482389, 1447167, 3376723, 4341501, 10130169, 13024503, 30390507, 91171521]

約数ペア:

[(1, 91171521), (3, 30390507), (7, 13024503), (9, 10130169), (21, 4341501), (27, 3376723), (63, 1447167), (189, 482389), (257, 354753), (771, 118251), (1799, 50679), (1877, 48573), (2313, 39417), (5397, 16893), (5631, 16191), (6939, 13139)]