720101889

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 1147357120

約数和(自身を除く): 427255231

約数列:

[1, 3, 9, 13, 39, 61, 117, 163, 183, 489, 549, 619, 793, 1467, 1857, 2119, 2379, 5571, 6357, 7137, 8047, 9943, 19071, 24141, 29829, 37759, 72423, 89487, 100897, 113277, 129259, 302691, 339831, 387777, 490867, 908073, 1163331, 1311661, 1472601, 3934983, 4417803, 6154717, 11804949, 18464151, 55392453, 80011321, 240033963, 720101889]

約数ペア:

[(1, 720101889), (3, 240033963), (9, 80011321), (13, 55392453), (39, 18464151), (61, 11804949), (117, 6154717), (163, 4417803), (183, 3934983), (489, 1472601), (549, 1311661), (619, 1163331), (793, 908073), (1467, 490867), (1857, 387777), (2119, 339831), (2379, 302691), (5571, 129259), (6357, 113277), (7137, 100897), (8047, 89487), (9943, 72423), (19071, 37759), (24141, 29829)]