201378285

素因数分解:

$3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3461}}^1$

素因数の和:3906

約数の個数: 32

約数和(自身を含む): 358940160

約数和(自身を除く): 157561875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 431, 1293, 2155, 3461, 3879, 6465, 10383, 11637, 17305, 19395, 31149, 51915, 58185, 93447, 155745, 467235, 1491691, 4475073, 7458455, 13425219, 22375365, 40275657, 67126095, 201378285]

約数ペア:

[(1, 201378285), (3, 67126095), (5, 40275657), (9, 22375365), (15, 13425219), (27, 7458455), (45, 4475073), (135, 1491691), (431, 467235), (1293, 155745), (2155, 93447), (3461, 58185), (3879, 51915), (6465, 31149), (10383, 19395), (11637, 17305)]