778850865

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2179}}^1$

素因数の和:2263

約数の個数: 72

約数和(自身を含む): 1493631360

約数和(自身を除く): 714780495

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 47, 65, 117, 141, 169, 195, 235, 423, 507, 585, 611, 705, 845, 1521, 1833, 2115, 2179, 2535, 3055, 5499, 6537, 7605, 7943, 9165, 10895, 19611, 23829, 27495, 28327, 32685, 39715, 71487, 84981, 98055, 102413, 119145, 141635, 254943, 307239, 357435, 368251, 424905, 512065, 921717, 1104753, 1274715, 1331369, 1536195, 1841255, 3314259, 3994107, 4608585, 5523765, 6656845, 11982321, 16571295, 17307797, 19970535, 51923391, 59911605, 86538985, 155770173, 259616955, 778850865]

約数ペア:

[(1, 778850865), (3, 259616955), (5, 155770173), (9, 86538985), (13, 59911605), (15, 51923391), (39, 19970535), (45, 17307797), (47, 16571295), (65, 11982321), (117, 6656845), (141, 5523765), (169, 4608585), (195, 3994107), (235, 3314259), (423, 1841255), (507, 1536195), (585, 1331369), (611, 1274715), (705, 1104753), (845, 921717), (1521, 512065), (1833, 424905), (2115, 368251), (2179, 357435), (2535, 307239), (3055, 254943), (5499, 141635), (6537, 119145), (7605, 102413), (7943, 98055), (9165, 84981), (10895, 71487), (19611, 39715), (23829, 32685), (27495, 28327)]