121178925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1707

約数の個数: 72

約数和(自身を含む): 253483776

約数和(自身を除く): 132304851

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 705, 987, 1175, 1575, 1637, 1645, 2115, 2961, 3525, 4911, 4935, 8185, 8225, 10575, 11459, 14733, 14805, 24555, 24675, 34377, 40925, 57295, 73665, 74025, 76939, 103131, 122775, 171885, 230817, 286475, 368325, 384695, 515655, 538573, 692451, 859425, 1154085, 1615719, 1923475, 2578275, 2692865, 3462255, 4847157, 5770425, 8078595, 13464325, 17311275, 24235785, 40392975, 121178925]

約数ペア:

[(1, 121178925), (3, 40392975), (5, 24235785), (7, 17311275), (9, 13464325), (15, 8078595), (21, 5770425), (25, 4847157), (35, 3462255), (45, 2692865), (47, 2578275), (63, 1923475), (75, 1615719), (105, 1154085), (141, 859425), (175, 692451), (225, 538573), (235, 515655), (315, 384695), (329, 368325), (423, 286475), (525, 230817), (705, 171885), (987, 122775), (1175, 103131), (1575, 76939), (1637, 74025), (1645, 73665), (2115, 57295), (2961, 40925), (3525, 34377), (4911, 24675), (4935, 24555), (8185, 14805), (8225, 14733), (10575, 11459)]