155519715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 278277120

約数和(自身を除く): 122757405

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 403, 465, 507, 845, 1209, 1979, 2015, 2535, 5239, 5937, 6045, 9895, 15717, 25727, 26195, 29685, 61349, 77181, 78585, 128635, 184047, 306745, 334451, 385905, 797537, 920235, 1003353, 1672255, 2392611, 3987685, 5016765, 10367981, 11963055, 31103943, 51839905, 155519715]

約数ペア:

[(1, 155519715), (3, 51839905), (5, 31103943), (13, 11963055), (15, 10367981), (31, 5016765), (39, 3987685), (65, 2392611), (93, 1672255), (155, 1003353), (169, 920235), (195, 797537), (403, 385905), (465, 334451), (507, 306745), (845, 184047), (1209, 128635), (1979, 78585), (2015, 77181), (2535, 61349), (5239, 29685), (5937, 26195), (6045, 25727), (9895, 15717)]