191115

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 344448

約数和(自身を除く): 153333

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 137, 155, 279, 411, 465, 685, 1233, 1395, 2055, 4247, 6165, 12741, 21235, 38223, 63705, 191115]

約数ペア:

[(1, 191115), (3, 63705), (5, 38223), (9, 21235), (15, 12741), (31, 6165), (45, 4247), (93, 2055), (137, 1395), (155, 1233), (279, 685), (411, 465)]