78542919

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2459}}^1$

素因数の和:2501

約数の個数: 48

約数和(自身を含む): 144057600

約数和(自身を除く): 65514681

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 819, 1183, 1521, 2457, 2459, 3549, 4563, 7377, 10647, 17213, 22131, 31941, 31967, 51639, 66393, 95901, 154917, 223769, 287703, 415571, 464751, 671307, 863109, 1246713, 2013921, 2908997, 3740139, 6041763, 8726991, 11220417, 26180973, 78542919]

約数ペア:

[(1, 78542919), (3, 26180973), (7, 11220417), (9, 8726991), (13, 6041763), (21, 3740139), (27, 2908997), (39, 2013921), (63, 1246713), (91, 863109), (117, 671307), (169, 464751), (189, 415571), (273, 287703), (351, 223769), (507, 154917), (819, 95901), (1183, 66393), (1521, 51639), (2457, 31967), (2459, 31941), (3549, 22131), (4563, 17213), (7377, 10647)]