13211625

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{719}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 12397335

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 525, 719, 735, 875, 1225, 2157, 2625, 3595, 3675, 5033, 6125, 10785, 15099, 17975, 18375, 25165, 35231, 53925, 75495, 89875, 105693, 125825, 176155, 269625, 377475, 528465, 629125, 880775, 1887375, 2642325, 4403875, 13211625]

約数ペア:

[(1, 13211625), (3, 4403875), (5, 2642325), (7, 1887375), (15, 880775), (21, 629125), (25, 528465), (35, 377475), (49, 269625), (75, 176155), (105, 125825), (125, 105693), (147, 89875), (175, 75495), (245, 53925), (375, 35231), (525, 25165), (719, 18375), (735, 17975), (875, 15099), (1225, 10785), (2157, 6125), (2625, 5033), (3595, 3675)]