189975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 334800

約数和(自身を除く): 144825

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 149, 255, 425, 447, 745, 1275, 2235, 2533, 3725, 7599, 11175, 12665, 37995, 63325, 189975]

約数ペア:

[(1, 189975), (3, 63325), (5, 37995), (15, 12665), (17, 11175), (25, 7599), (51, 3725), (75, 2533), (85, 2235), (149, 1275), (255, 745), (425, 447)]