81879084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3217}}^1$

素因数の和:3335

約数の個数: 72

約数和(自身を含む): 238955808

約数和(自身を除く): 157076724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3217, 3636, 4242, 6363, 6434, 8484, 9651, 12726, 12868, 19302, 22519, 25452, 28953, 38604, 45038, 57906, 67557, 90076, 115812, 135114, 202671, 270228, 324917, 405342, 649834, 810684, 974751, 1299668, 1949502, 2274419, 2924253, 3899004, 4548838, 5848506, 6823257, 9097676, 11697012, 13646514, 20469771, 27293028, 40939542, 81879084]

約数ペア:

[(1, 81879084), (2, 40939542), (3, 27293028), (4, 20469771), (6, 13646514), (7, 11697012), (9, 9097676), (12, 6823257), (14, 5848506), (18, 4548838), (21, 3899004), (28, 2924253), (36, 2274419), (42, 1949502), (63, 1299668), (84, 974751), (101, 810684), (126, 649834), (202, 405342), (252, 324917), (303, 270228), (404, 202671), (606, 135114), (707, 115812), (909, 90076), (1212, 67557), (1414, 57906), (1818, 45038), (2121, 38604), (2828, 28953), (3217, 25452), (3636, 22519), (4242, 19302), (6363, 12868), (6434, 12726), (8484, 9651)]