81369882

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 96

約数和(自身を含む): 204871680

約数和(自身を除く): 123501798

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 37, 58, 66, 74, 87, 99, 111, 174, 198, 222, 261, 319, 333, 383, 407, 522, 638, 666, 766, 814, 957, 1073, 1149, 1221, 1914, 2146, 2298, 2442, 2871, 3219, 3447, 3663, 4213, 5742, 6438, 6894, 7326, 8426, 9657, 11107, 11803, 12639, 14171, 19314, 22214, 23606, 25278, 28342, 33321, 35409, 37917, 42513, 66642, 70818, 75834, 85026, 99963, 106227, 122177, 127539, 155881, 199926, 212454, 244354, 255078, 311762, 366531, 410959, 467643, 733062, 821918, 935286, 1099593, 1232877, 1402929, 2199186, 2465754, 2805858, 3698631, 4520549, 7397262, 9041098, 13561647, 27123294, 40684941, 81369882]

約数ペア:

[(1, 81369882), (2, 40684941), (3, 27123294), (6, 13561647), (9, 9041098), (11, 7397262), (18, 4520549), (22, 3698631), (29, 2805858), (33, 2465754), (37, 2199186), (58, 1402929), (66, 1232877), (74, 1099593), (87, 935286), (99, 821918), (111, 733062), (174, 467643), (198, 410959), (222, 366531), (261, 311762), (319, 255078), (333, 244354), (383, 212454), (407, 199926), (522, 155881), (638, 127539), (666, 122177), (766, 106227), (814, 99963), (957, 85026), (1073, 75834), (1149, 70818), (1221, 66642), (1914, 42513), (2146, 37917), (2298, 35409), (2442, 33321), (2871, 28342), (3219, 25278), (3447, 23606), (3663, 22214), (4213, 19314), (5742, 14171), (6438, 12639), (6894, 11803), (7326, 11107), (8426, 9657)]