621567243

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 1069770240

約数和(自身を除く): 448202997

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 307, 401, 459, 561, 921, 1203, 1683, 2763, 3377, 3609, 4411, 5049, 5219, 6817, 8289, 10131, 10827, 13233, 15657, 20451, 30393, 39699, 46971, 57409, 61353, 74987, 91179, 119097, 123107, 140913, 172227, 184059, 224961, 369321, 516681, 674883, 1107963, 1354177, 1550043, 2024649, 2092819, 3323889, 4062531, 6278457, 12187593, 18835371, 23021009, 36562779, 56506113, 69063027, 207189081, 621567243]

約数ペア:

[(1, 621567243), (3, 207189081), (9, 69063027), (11, 56506113), (17, 36562779), (27, 23021009), (33, 18835371), (51, 12187593), (99, 6278457), (153, 4062531), (187, 3323889), (297, 2092819), (307, 2024649), (401, 1550043), (459, 1354177), (561, 1107963), (921, 674883), (1203, 516681), (1683, 369321), (2763, 224961), (3377, 184059), (3609, 172227), (4411, 140913), (5049, 123107), (5219, 119097), (6817, 91179), (8289, 74987), (10131, 61353), (10827, 57409), (13233, 46971), (15657, 39699), (20451, 30393)]