80990406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{27947}}^1$

素因数の和:27985

約数の個数: 48

約数和(自身を含む): 209274624

約数和(自身を除く): 128284218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 27947, 55894, 83841, 167682, 195629, 251523, 391258, 503046, 586887, 642781, 1173774, 1285562, 1760661, 1928343, 3521322, 3856686, 4499467, 5785029, 8998934, 11570058, 13498401, 26996802, 40495203, 80990406]

約数ペア:

[(1, 80990406), (2, 40495203), (3, 26996802), (6, 13498401), (7, 11570058), (9, 8998934), (14, 5785029), (18, 4499467), (21, 3856686), (23, 3521322), (42, 1928343), (46, 1760661), (63, 1285562), (69, 1173774), (126, 642781), (138, 586887), (161, 503046), (207, 391258), (322, 251523), (414, 195629), (483, 167682), (966, 83841), (1449, 55894), (2898, 27947)]