31800825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 72

約数和(自身を含む): 66362816

約数和(自身を除く): 34561991

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 305, 315, 331, 427, 525, 549, 915, 993, 1281, 1525, 1575, 1655, 2135, 2317, 2745, 2979, 3843, 4575, 4965, 6405, 6951, 8275, 10675, 11585, 13725, 14895, 19215, 20191, 20853, 24825, 32025, 34755, 57925, 60573, 74475, 96075, 100955, 104265, 141337, 173775, 181719, 302865, 424011, 504775, 521325, 706685, 908595, 1272033, 1514325, 2120055, 3533425, 4542975, 6360165, 10600275, 31800825]

約数ペア:

[(1, 31800825), (3, 10600275), (5, 6360165), (7, 4542975), (9, 3533425), (15, 2120055), (21, 1514325), (25, 1272033), (35, 908595), (45, 706685), (61, 521325), (63, 504775), (75, 424011), (105, 302865), (175, 181719), (183, 173775), (225, 141337), (305, 104265), (315, 100955), (331, 96075), (427, 74475), (525, 60573), (549, 57925), (915, 34755), (993, 32025), (1281, 24825), (1525, 20853), (1575, 20191), (1655, 19215), (2135, 14895), (2317, 13725), (2745, 11585), (2979, 10675), (3843, 8275), (4575, 6951), (4965, 6405)]