16905115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 22654080

約数和(自身を除く): 5748965

約数列:

[1, 5, 23, 29, 37, 115, 137, 145, 185, 667, 685, 851, 1073, 3151, 3335, 3973, 4255, 5069, 5365, 15755, 19865, 24679, 25345, 91379, 116587, 123395, 147001, 456895, 582935, 735005, 3381023, 16905115]

約数ペア:

[(1, 16905115), (5, 3381023), (23, 735005), (29, 582935), (37, 456895), (115, 147001), (137, 123395), (145, 116587), (185, 91379), (667, 25345), (685, 24679), (851, 19865), (1073, 15755), (3151, 5365), (3335, 5069), (3973, 4255)]