39687225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 69102720

約数和(自身を除く): 29415495

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 145, 213, 257, 355, 435, 725, 771, 1065, 1285, 1775, 2059, 2175, 3855, 5325, 6177, 6425, 7453, 10295, 18247, 19275, 22359, 30885, 37265, 51475, 54741, 91235, 111795, 154425, 186325, 273705, 456175, 529163, 558975, 1368525, 1587489, 2645815, 7937445, 13229075, 39687225]

約数ペア:

[(1, 39687225), (3, 13229075), (5, 7937445), (15, 2645815), (25, 1587489), (29, 1368525), (71, 558975), (75, 529163), (87, 456175), (145, 273705), (213, 186325), (257, 154425), (355, 111795), (435, 91235), (725, 54741), (771, 51475), (1065, 37265), (1285, 30885), (1775, 22359), (2059, 19275), (2175, 18247), (3855, 10295), (5325, 7453), (6177, 6425)]