15806259

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 27487328

約数和(自身を除く): 11681069

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 457, 549, 567, 1281, 1371, 1647, 3199, 3843, 4113, 4941, 9597, 11529, 12339, 27877, 28791, 34587, 37017, 83631, 86373, 195139, 250893, 259119, 585417, 752679, 1756251, 2258037, 5268753, 15806259]

約数ペア:

[(1, 15806259), (3, 5268753), (7, 2258037), (9, 1756251), (21, 752679), (27, 585417), (61, 259119), (63, 250893), (81, 195139), (183, 86373), (189, 83631), (427, 37017), (457, 34587), (549, 28791), (567, 27877), (1281, 12339), (1371, 11529), (1647, 9597), (3199, 4941), (3843, 4113)]