54143775

素因数分解:

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

素因数の和:1670

約数の個数: 72

約数和(自身を含む): 115773840

約数和(自身を除く): 61630065

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 225, 245, 315, 441, 525, 675, 735, 945, 1225, 1323, 1575, 1637, 2205, 3675, 4725, 4911, 6615, 8185, 11025, 11459, 14733, 24555, 33075, 34377, 40925, 44199, 57295, 73665, 80213, 103131, 122775, 171885, 220995, 240639, 286475, 309393, 368325, 401065, 515655, 721917, 859425, 1104975, 1203195, 1546965, 2005325, 2165751, 2578275, 3609585, 6015975, 7734825, 10828755, 18047925, 54143775]

約数ペア:

[(1, 54143775), (3, 18047925), (5, 10828755), (7, 7734825), (9, 6015975), (15, 3609585), (21, 2578275), (25, 2165751), (27, 2005325), (35, 1546965), (45, 1203195), (49, 1104975), (63, 859425), (75, 721917), (105, 515655), (135, 401065), (147, 368325), (175, 309393), (189, 286475), (225, 240639), (245, 220995), (315, 171885), (441, 122775), (525, 103131), (675, 80213), (735, 73665), (945, 57295), (1225, 44199), (1323, 40925), (1575, 34377), (1637, 33075), (2205, 24555), (3675, 14733), (4725, 11459), (4911, 11025), (6615, 8185)]