490389417

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1299

約数の個数: 64

約数和(自身を含む): 876072960

約数和(自身を除く): 385683543

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 97, 161, 189, 207, 291, 483, 621, 679, 873, 1163, 1449, 2037, 2231, 2619, 3489, 4347, 6111, 6693, 8141, 10467, 15617, 18333, 20079, 24423, 26749, 31401, 46851, 60237, 73269, 80247, 112811, 140553, 187243, 219807, 240741, 338433, 421659, 561729, 722223, 789677, 1015299, 1685187, 2369031, 2594653, 3045897, 5055561, 7107093, 7783959, 18162571, 21321279, 23351877, 54487713, 70055631, 163463139, 490389417]

約数ペア:

[(1, 490389417), (3, 163463139), (7, 70055631), (9, 54487713), (21, 23351877), (23, 21321279), (27, 18162571), (63, 7783959), (69, 7107093), (97, 5055561), (161, 3045897), (189, 2594653), (207, 2369031), (291, 1685187), (483, 1015299), (621, 789677), (679, 722223), (873, 561729), (1163, 421659), (1449, 338433), (2037, 240741), (2231, 219807), (2619, 187243), (3489, 140553), (4347, 112811), (6111, 80247), (6693, 73269), (8141, 60237), (10467, 46851), (15617, 31401), (18333, 26749), (20079, 24423)]