201981015

素因数分解:

$3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{15319}}^1$

素因数の和:15623

約数の個数: 24

約数和(自身を含む): 351318240

約数和(自身を除く): 149337225

約数列:

[1, 3, 5, 9, 15, 45, 293, 879, 1465, 2637, 4395, 13185, 15319, 45957, 76595, 137871, 229785, 689355, 4488467, 13465401, 22442335, 40396203, 67327005, 201981015]

約数ペア:

[(1, 201981015), (3, 67327005), (5, 40396203), (9, 22442335), (15, 13465401), (45, 4488467), (293, 689355), (879, 229785), (1465, 137871), (2637, 76595), (4395, 45957), (13185, 15319)]