1388406735

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{196519}}^1$

素因数の和:196687

約数の個数: 24

約数和(自身を含む): 2421912480

約数和(自身を除く): 1033505745

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 196519, 589557, 982595, 1768671, 2947785, 8843355, 30853483, 92560449, 154267415, 277681347, 462802245, 1388406735]

約数ペア:

[(1, 1388406735), (3, 462802245), (5, 277681347), (9, 154267415), (15, 92560449), (45, 30853483), (157, 8843355), (471, 2947785), (785, 1768671), (1413, 982595), (2355, 589557), (7065, 196519)]