18525675

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{71}}^2$

素因数の和:169

約数の個数: 54

約数和(自身を含む): 36138684

約数和(自身を除く): 17613009

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 71, 75, 105, 147, 175, 213, 245, 355, 497, 525, 735, 1065, 1225, 1491, 1775, 2485, 3479, 3675, 5041, 5325, 7455, 10437, 12425, 15123, 17395, 25205, 35287, 37275, 52185, 75615, 86975, 105861, 126025, 176435, 247009, 260925, 378075, 529305, 741027, 882175, 1235045, 2646525, 3705135, 6175225, 18525675]

約数ペア:

[(1, 18525675), (3, 6175225), (5, 3705135), (7, 2646525), (15, 1235045), (21, 882175), (25, 741027), (35, 529305), (49, 378075), (71, 260925), (75, 247009), (105, 176435), (147, 126025), (175, 105861), (213, 86975), (245, 75615), (355, 52185), (497, 37275), (525, 35287), (735, 25205), (1065, 17395), (1225, 15123), (1491, 12425), (1775, 10437), (2485, 7455), (3479, 5325), (3675, 5041)]