3145415

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 4816896

約数和(自身を除く): 1671481

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 223, 403, 455, 1085, 1115, 1561, 2015, 2821, 2899, 6913, 7805, 14105, 14495, 20293, 34565, 48391, 89869, 101465, 241955, 449345, 629083, 3145415]

約数ペア:

[(1, 3145415), (5, 629083), (7, 449345), (13, 241955), (31, 101465), (35, 89869), (65, 48391), (91, 34565), (155, 20293), (217, 14495), (223, 14105), (403, 7805), (455, 6913), (1085, 2899), (1115, 2821), (1561, 2015)]