1980499677

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4889}}^1$

素因数の和:4982

約数の個数: 48

約数和(自身を含む): 3092670720

約数和(自身を除く): 1112171043

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 169, 221, 507, 611, 663, 799, 1833, 2397, 2873, 4889, 7943, 8619, 10387, 14667, 23829, 31161, 63557, 83113, 135031, 190671, 229783, 249339, 405093, 689349, 826241, 1080469, 2478723, 2987179, 3241407, 3906311, 8961537, 11718933, 14046097, 38833327, 42138291, 50782043, 116499981, 152346129, 660166559, 1980499677]

約数ペア:

[(1, 1980499677), (3, 660166559), (13, 152346129), (17, 116499981), (39, 50782043), (47, 42138291), (51, 38833327), (141, 14046097), (169, 11718933), (221, 8961537), (507, 3906311), (611, 3241407), (663, 2987179), (799, 2478723), (1833, 1080469), (2397, 826241), (2873, 689349), (4889, 405093), (7943, 249339), (8619, 229783), (10387, 190671), (14667, 135031), (23829, 83113), (31161, 63557)]