1900661805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{401}}^1$

素因数の和:827

約数の個数: 96

約数和(自身を含む): 3877106688

約数和(自身を除く): 1976444883

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 367, 369, 401, 615, 861, 1101, 1203, 1435, 1835, 1845, 2005, 2569, 2583, 2807, 3303, 3609, 4305, 5505, 6015, 7707, 8421, 12845, 12915, 14035, 15047, 16441, 16515, 18045, 23121, 25263, 38535, 42105, 45141, 49323, 75235, 82205, 105329, 115087, 115605, 126315, 135423, 147167, 147969, 225705, 246615, 315987, 345261, 441501, 526645, 575435, 677115, 735835, 739845, 947961, 1030169, 1035783, 1324503, 1579935, 1726305, 2207505, 3090507, 4739805, 5150845, 5178915, 6033847, 6622515, 9271521, 15452535, 18101541, 30169235, 42236929, 46357605, 54304623, 90507705, 126710787, 211184645, 271523115, 380132361, 633553935, 1900661805]

約数ペア:

[(1, 1900661805), (3, 633553935), (5, 380132361), (7, 271523115), (9, 211184645), (15, 126710787), (21, 90507705), (35, 54304623), (41, 46357605), (45, 42236929), (63, 30169235), (105, 18101541), (123, 15452535), (205, 9271521), (287, 6622515), (315, 6033847), (367, 5178915), (369, 5150845), (401, 4739805), (615, 3090507), (861, 2207505), (1101, 1726305), (1203, 1579935), (1435, 1324503), (1835, 1035783), (1845, 1030169), (2005, 947961), (2569, 739845), (2583, 735835), (2807, 677115), (3303, 575435), (3609, 526645), (4305, 441501), (5505, 345261), (6015, 315987), (7707, 246615), (8421, 225705), (12845, 147969), (12915, 147167), (14035, 135423), (15047, 126315), (16441, 115605), (16515, 115087), (18045, 105329), (23121, 82205), (25263, 75235), (38535, 49323), (42105, 45141)]