78225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{149}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 148800

約数和(自身を除く): 70575

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 149, 175, 447, 525, 745, 1043, 2235, 3129, 3725, 5215, 11175, 15645, 26075, 78225]

約数ペア:

[(1, 78225), (3, 26075), (5, 15645), (7, 11175), (15, 5215), (21, 3725), (25, 3129), (35, 2235), (75, 1043), (105, 745), (149, 525), (175, 447)]