16909105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 21807360

約数和(自身を除く): 4898255

約数列:

[1, 5, 31, 43, 59, 155, 215, 295, 1333, 1829, 1849, 2537, 6665, 9145, 9245, 12685, 57319, 78647, 109091, 286595, 393235, 545455, 3381821, 16909105]

約数ペア:

[(1, 16909105), (5, 3381821), (31, 545455), (43, 393235), (59, 286595), (155, 109091), (215, 78647), (295, 57319), (1333, 12685), (1829, 9245), (1849, 9145), (2537, 6665)]