291259647

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 489984768

約数和(自身を除く): 198725121

約数列:

[1, 3, 7, 9, 21, 63, 113, 163, 251, 339, 489, 753, 791, 1017, 1141, 1467, 1757, 2259, 2373, 3423, 5271, 7119, 10269, 15813, 18419, 28363, 40913, 55257, 85089, 122739, 128933, 165771, 198541, 255267, 286391, 368217, 386799, 595623, 859173, 1160397, 1786869, 2577519, 4623169, 13869507, 32362183, 41608521, 97086549, 291259647]

約数ペア:

[(1, 291259647), (3, 97086549), (7, 41608521), (9, 32362183), (21, 13869507), (63, 4623169), (113, 2577519), (163, 1786869), (251, 1160397), (339, 859173), (489, 595623), (753, 386799), (791, 368217), (1017, 286391), (1141, 255267), (1467, 198541), (1757, 165771), (2259, 128933), (2373, 122739), (3423, 85089), (5271, 55257), (7119, 40913), (10269, 28363), (15813, 18419)]