13209273

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 24336000

約数和(自身を除く): 11126727

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 389, 441, 539, 693, 1029, 1167, 1617, 2723, 3087, 3501, 3773, 4279, 4851, 8169, 11319, 12837, 19061, 24507, 29953, 33957, 38511, 57183, 89859, 133427, 171549, 209671, 269577, 400281, 629013, 1200843, 1467697, 1887039, 4403091, 13209273]

約数ペア:

[(1, 13209273), (3, 4403091), (7, 1887039), (9, 1467697), (11, 1200843), (21, 629013), (33, 400281), (49, 269577), (63, 209671), (77, 171549), (99, 133427), (147, 89859), (231, 57183), (343, 38511), (389, 33957), (441, 29953), (539, 24507), (693, 19061), (1029, 12837), (1167, 11319), (1617, 8169), (2723, 4851), (3087, 4279), (3501, 3773)]