28951725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26044755

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 1847, 3135, 5225, 5541, 9235, 15675, 20317, 27705, 35093, 46175, 60951, 101585, 105279, 138525, 175465, 304755, 386023, 507925, 526395, 877325, 1158069, 1523775, 1930115, 2631975, 5790345, 9650575, 28951725]

約数ペア:

[(1, 28951725), (3, 9650575), (5, 5790345), (11, 2631975), (15, 1930115), (19, 1523775), (25, 1158069), (33, 877325), (55, 526395), (57, 507925), (75, 386023), (95, 304755), (165, 175465), (209, 138525), (275, 105279), (285, 101585), (475, 60951), (627, 46175), (825, 35093), (1045, 27705), (1425, 20317), (1847, 15675), (3135, 9235), (5225, 5541)]