213040989

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:919

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 168501411

約数列:

[1, 3, 7, 9, 21, 27, 29, 47, 63, 87, 141, 189, 203, 261, 329, 423, 609, 783, 827, 987, 1269, 1363, 1827, 2481, 2961, 4089, 5481, 5789, 7443, 8883, 9541, 12267, 17367, 22329, 23983, 28623, 36801, 38869, 52101, 71949, 85869, 116607, 156303, 167881, 215847, 257607, 272083, 349821, 503643, 647541, 816249, 1049463, 1127201, 1510929, 2448747, 3381603, 4532787, 7346241, 7890407, 10144809, 23671221, 30434427, 71013663, 213040989]

約数ペア:

[(1, 213040989), (3, 71013663), (7, 30434427), (9, 23671221), (21, 10144809), (27, 7890407), (29, 7346241), (47, 4532787), (63, 3381603), (87, 2448747), (141, 1510929), (189, 1127201), (203, 1049463), (261, 816249), (329, 647541), (423, 503643), (609, 349821), (783, 272083), (827, 257607), (987, 215847), (1269, 167881), (1363, 156303), (1827, 116607), (2481, 85869), (2961, 71949), (4089, 52101), (5481, 38869), (5789, 36801), (7443, 28623), (8883, 23983), (9541, 22329), (12267, 17367)]