56985615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 105457248

約数和(自身を除く): 48471633

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 163, 255, 457, 489, 765, 815, 1371, 1467, 2285, 2445, 2771, 4113, 6855, 7335, 7769, 8313, 13855, 20565, 23307, 24939, 38845, 41565, 69921, 74491, 116535, 124695, 223473, 349605, 372455, 670419, 1117365, 1266347, 3352095, 3799041, 6331735, 11397123, 18995205, 56985615]

約数ペア:

[(1, 56985615), (3, 18995205), (5, 11397123), (9, 6331735), (15, 3799041), (17, 3352095), (45, 1266347), (51, 1117365), (85, 670419), (153, 372455), (163, 349605), (255, 223473), (457, 124695), (489, 116535), (765, 74491), (815, 69921), (1371, 41565), (1467, 38845), (2285, 24939), (2445, 23307), (2771, 20565), (4113, 13855), (6855, 8313), (7335, 7769)]