18156920535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{508811}}^1$

素因数の和:508896

約数の個数: 48

約数和(自身を含む): 34448607648

約数和(自身を除く): 16291687113

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2379, 2745, 3965, 7137, 11895, 35685, 508811, 1526433, 2544055, 4579299, 6614543, 7632165, 19843629, 22896495, 31037471, 33072715, 59530887, 93112413, 99218145, 155187355, 279337239, 297654435, 403487123, 465562065, 1210461369, 1396686195, 2017435615, 3631384107, 6052306845, 18156920535]

約数ペア:

[(1, 18156920535), (3, 6052306845), (5, 3631384107), (9, 2017435615), (13, 1396686195), (15, 1210461369), (39, 465562065), (45, 403487123), (61, 297654435), (65, 279337239), (117, 155187355), (183, 99218145), (195, 93112413), (305, 59530887), (549, 33072715), (585, 31037471), (793, 22896495), (915, 19843629), (2379, 7632165), (2745, 6614543), (3965, 4579299), (7137, 2544055), (11895, 1526433), (35685, 508811)]