25980045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 26113395

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2719, 3185, 8157, 9555, 13595, 19033, 35347, 40785, 57099, 95165, 106041, 133231, 176735, 247429, 285495, 399693, 530205, 666155, 742287, 1237145, 1732003, 1998465, 3711435, 5196009, 8660015, 25980045]

約数ペア:

[(1, 25980045), (3, 8660015), (5, 5196009), (7, 3711435), (13, 1998465), (15, 1732003), (21, 1237145), (35, 742287), (39, 666155), (49, 530205), (65, 399693), (91, 285495), (105, 247429), (147, 176735), (195, 133231), (245, 106041), (273, 95165), (455, 57099), (637, 40785), (735, 35347), (1365, 19033), (1911, 13595), (2719, 9555), (3185, 8157)]