13319925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 24141312

約数和(自身を除く): 10821387

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 337, 425, 465, 527, 775, 1011, 1275, 1581, 1685, 2325, 2635, 5055, 5729, 7905, 8425, 10447, 13175, 17187, 25275, 28645, 31341, 39525, 52235, 85935, 143225, 156705, 177599, 261175, 429675, 532797, 783525, 887995, 2663985, 4439975, 13319925]

約数ペア:

[(1, 13319925), (3, 4439975), (5, 2663985), (15, 887995), (17, 783525), (25, 532797), (31, 429675), (51, 261175), (75, 177599), (85, 156705), (93, 143225), (155, 85935), (255, 52235), (337, 39525), (425, 31341), (465, 28645), (527, 25275), (775, 17187), (1011, 13175), (1275, 10447), (1581, 8425), (1685, 7905), (2325, 5729), (2635, 5055)]