25129455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 20406801

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 431, 507, 845, 897, 1293, 1495, 2155, 2535, 3887, 4485, 5603, 6465, 9913, 11661, 16809, 19435, 28015, 29739, 49565, 58305, 72839, 84045, 128869, 148695, 218517, 364195, 386607, 644345, 1092585, 1675297, 1933035, 5025891, 8376485, 25129455]

約数ペア:

[(1, 25129455), (3, 8376485), (5, 5025891), (13, 1933035), (15, 1675297), (23, 1092585), (39, 644345), (65, 386607), (69, 364195), (115, 218517), (169, 148695), (195, 128869), (299, 84045), (345, 72839), (431, 58305), (507, 49565), (845, 29739), (897, 28015), (1293, 19435), (1495, 16809), (2155, 11661), (2535, 9913), (3887, 6465), (4485, 5603)]