3965775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 7916160

約数和(自身を除く): 3950385

約数列:

[1, 3, 5, 11, 15, 19, 23, 25, 33, 55, 57, 69, 75, 95, 115, 121, 165, 209, 253, 275, 285, 345, 363, 437, 475, 575, 605, 627, 759, 825, 1045, 1265, 1311, 1425, 1725, 1815, 2185, 2299, 2783, 3025, 3135, 3795, 4807, 5225, 6325, 6555, 6897, 8349, 9075, 10925, 11495, 13915, 14421, 15675, 18975, 24035, 32775, 34485, 41745, 52877, 57475, 69575, 72105, 120175, 158631, 172425, 208725, 264385, 360525, 793155, 1321925, 3965775]

約数ペア:

[(1, 3965775), (3, 1321925), (5, 793155), (11, 360525), (15, 264385), (19, 208725), (23, 172425), (25, 158631), (33, 120175), (55, 72105), (57, 69575), (69, 57475), (75, 52877), (95, 41745), (115, 34485), (121, 32775), (165, 24035), (209, 18975), (253, 15675), (275, 14421), (285, 13915), (345, 11495), (363, 10925), (437, 9075), (475, 8349), (575, 6897), (605, 6555), (627, 6325), (759, 5225), (825, 4807), (1045, 3795), (1265, 3135), (1311, 3025), (1425, 2783), (1725, 2299), (1815, 2185)]