981825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 48

約数和(自身を含む): 1874880

約数和(自身を除く): 893055

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 53, 57, 65, 75, 95, 159, 195, 247, 265, 285, 325, 475, 689, 741, 795, 975, 1007, 1235, 1325, 1425, 2067, 3021, 3445, 3705, 3975, 5035, 6175, 10335, 13091, 15105, 17225, 18525, 25175, 39273, 51675, 65455, 75525, 196365, 327275, 981825]

約数ペア:

[(1, 981825), (3, 327275), (5, 196365), (13, 75525), (15, 65455), (19, 51675), (25, 39273), (39, 25175), (53, 18525), (57, 17225), (65, 15105), (75, 13091), (95, 10335), (159, 6175), (195, 5035), (247, 3975), (265, 3705), (285, 3445), (325, 3021), (475, 2067), (689, 1425), (741, 1325), (795, 1235), (975, 1007)]