388951185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{194963}}^1$

素因数の和:194997

約数の個数: 32

約数和(自身を含む): 748661760

約数和(自身を除く): 359710575

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 194963, 584889, 974815, 1364741, 2924445, 3704297, 4094223, 6823705, 11112891, 18521485, 20471115, 25930079, 55564455, 77790237, 129650395, 388951185]

約数ペア:

[(1, 388951185), (3, 129650395), (5, 77790237), (7, 55564455), (15, 25930079), (19, 20471115), (21, 18521485), (35, 11112891), (57, 6823705), (95, 4094223), (105, 3704297), (133, 2924445), (285, 1364741), (399, 974815), (665, 584889), (1995, 194963)]