247703025

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 419223168

約数和(自身を除く): 171520143

約数列:

[1, 3, 5, 15, 25, 71, 75, 181, 213, 257, 355, 543, 771, 905, 1065, 1285, 1775, 2715, 3855, 4525, 5325, 6425, 12851, 13575, 18247, 19275, 38553, 46517, 54741, 64255, 91235, 139551, 192765, 232585, 273705, 321275, 456175, 697755, 963825, 1162925, 1368525, 3302707, 3488775, 9908121, 16513535, 49540605, 82567675, 247703025]

約数ペア:

[(1, 247703025), (3, 82567675), (5, 49540605), (15, 16513535), (25, 9908121), (71, 3488775), (75, 3302707), (181, 1368525), (213, 1162925), (257, 963825), (355, 697755), (543, 456175), (771, 321275), (905, 273705), (1065, 232585), (1285, 192765), (1775, 139551), (2715, 91235), (3855, 64255), (4525, 54741), (5325, 46517), (6425, 38553), (12851, 19275), (13575, 18247)]