138175965

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{17749}}^1$

素因数の和:17933

約数の個数: 24

約数和(自身を含む): 240903000

約数和(自身を除く): 102727035

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 17749, 53247, 88745, 159741, 266235, 798705, 3070577, 9211731, 15352885, 27635193, 46058655, 138175965]

約数ペア:

[(1, 138175965), (3, 46058655), (5, 27635193), (9, 15352885), (15, 9211731), (45, 3070577), (173, 798705), (519, 266235), (865, 159741), (1557, 88745), (2595, 53247), (7785, 17749)]