291320631

素因数分解:

$3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2586

約数の個数: 60

約数和(自身を含む): 523896120

約数和(自身を除く): 232575489

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 81, 87, 147, 189, 203, 261, 441, 567, 609, 783, 1323, 1421, 1827, 2349, 2531, 3969, 4263, 5481, 7593, 12789, 16443, 17717, 22779, 38367, 53151, 68337, 73399, 115101, 124019, 159453, 205011, 220197, 372057, 478359, 513793, 660591, 1116171, 1435077, 1541379, 1981773, 3348513, 3596551, 4624137, 5945319, 10045539, 10789653, 13872411, 32368959, 41617233, 97106877, 291320631]

約数ペア:

[(1, 291320631), (3, 97106877), (7, 41617233), (9, 32368959), (21, 13872411), (27, 10789653), (29, 10045539), (49, 5945319), (63, 4624137), (81, 3596551), (87, 3348513), (147, 1981773), (189, 1541379), (203, 1435077), (261, 1116171), (441, 660591), (567, 513793), (609, 478359), (783, 372057), (1323, 220197), (1421, 205011), (1827, 159453), (2349, 124019), (2531, 115101), (3969, 73399), (4263, 68337), (5481, 53151), (7593, 38367), (12789, 22779), (16443, 17717)]