29991105

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21499}}^1$

素因数の和:21541

約数の個数: 24

約数和(自身を含む): 53664000

約数和(自身を除く): 23672895

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 21499, 64497, 107495, 193491, 322485, 666469, 967455, 1999407, 3332345, 5998221, 9997035, 29991105]

約数ペア:

[(1, 29991105), (3, 9997035), (5, 5998221), (9, 3332345), (15, 1999407), (31, 967455), (45, 666469), (93, 322485), (155, 193491), (279, 107495), (465, 64497), (1395, 21499)]