211933875

素因数分解:

$3^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{3793}}^1$

素因数の和:3960

約数の個数: 32

約数和(自身を含む): 355118400

約数和(自身を除く): 143184525

約数列:

[1, 3, 5, 15, 25, 75, 125, 149, 375, 447, 745, 2235, 3725, 3793, 11175, 11379, 18625, 18965, 55875, 56895, 94825, 284475, 474125, 565157, 1422375, 1695471, 2825785, 8477355, 14128925, 42386775, 70644625, 211933875]

約数ペア:

[(1, 211933875), (3, 70644625), (5, 42386775), (15, 14128925), (25, 8477355), (75, 2825785), (125, 1695471), (149, 1422375), (375, 565157), (447, 474125), (745, 284475), (2235, 94825), (3725, 56895), (3793, 55875), (11175, 18965), (11379, 18625)]