213889725

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{977}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 441430080

約数和(自身を除く): 227540355

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 139, 175, 225, 315, 417, 525, 695, 973, 977, 1251, 1575, 2085, 2919, 2931, 3475, 4865, 4885, 6255, 6839, 8757, 8793, 10425, 14595, 14655, 20517, 24325, 24425, 31275, 34195, 43785, 43965, 61551, 72975, 73275, 102585, 135803, 170975, 218925, 219825, 307755, 407409, 512925, 679015, 950621, 1222227, 1538775, 2037045, 2851863, 3395075, 4753105, 6111135, 8555589, 10185225, 14259315, 23765525, 30555675, 42777945, 71296575, 213889725]

約数ペア:

[(1, 213889725), (3, 71296575), (5, 42777945), (7, 30555675), (9, 23765525), (15, 14259315), (21, 10185225), (25, 8555589), (35, 6111135), (45, 4753105), (63, 3395075), (75, 2851863), (105, 2037045), (139, 1538775), (175, 1222227), (225, 950621), (315, 679015), (417, 512925), (525, 407409), (695, 307755), (973, 219825), (977, 218925), (1251, 170975), (1575, 135803), (2085, 102585), (2919, 73275), (2931, 72975), (3475, 61551), (4865, 43965), (4885, 43785), (6255, 34195), (6839, 31275), (8757, 24425), (8793, 24325), (10425, 20517), (14595, 14655)]