78809913

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2347}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 143584896

約数和(自身を除く): 64774983

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 533, 819, 861, 1599, 2347, 2583, 3731, 4797, 7041, 11193, 16429, 21123, 30511, 33579, 49287, 91533, 96227, 147861, 213577, 274599, 288681, 640731, 673589, 866043, 1250951, 1922193, 2020767, 3752853, 6062301, 8756657, 11258559, 26269971, 78809913]

約数ペア:

[(1, 78809913), (3, 26269971), (7, 11258559), (9, 8756657), (13, 6062301), (21, 3752853), (39, 2020767), (41, 1922193), (63, 1250951), (91, 866043), (117, 673589), (123, 640731), (273, 288681), (287, 274599), (369, 213577), (533, 147861), (819, 96227), (861, 91533), (1599, 49287), (2347, 33579), (2583, 30511), (3731, 21123), (4797, 16429), (7041, 11193)]