1681218

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 4545216

約数和(自身を除く): 2863998

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1213, 1386, 2426, 3639, 7278, 8491, 10917, 13343, 16982, 21834, 25473, 26686, 40029, 50946, 76419, 80058, 93401, 120087, 152838, 186802, 240174, 280203, 560406, 840609, 1681218]

約数ペア:

[(1, 1681218), (2, 840609), (3, 560406), (6, 280203), (7, 240174), (9, 186802), (11, 152838), (14, 120087), (18, 93401), (21, 80058), (22, 76419), (33, 50946), (42, 40029), (63, 26686), (66, 25473), (77, 21834), (99, 16982), (126, 13343), (154, 10917), (198, 8491), (231, 7278), (462, 3639), (693, 2426), (1213, 1386)]