31887675

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 61610640

約数和(自身を除く): 29722965

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 181, 225, 243, 261, 405, 435, 543, 675, 725, 783, 905, 1215, 1305, 1629, 2025, 2175, 2349, 2715, 3915, 4525, 4887, 5249, 6075, 6525, 7047, 8145, 11745, 13575, 14661, 15747, 19575, 24435, 26245, 35235, 40725, 43983, 47241, 58725, 73305, 78735, 122175, 131225, 141723, 176175, 219915, 236205, 366525, 393675, 425169, 708615, 1099575, 1181025, 1275507, 2125845, 3543075, 6377535, 10629225, 31887675]

約数ペア:

[(1, 31887675), (3, 10629225), (5, 6377535), (9, 3543075), (15, 2125845), (25, 1275507), (27, 1181025), (29, 1099575), (45, 708615), (75, 425169), (81, 393675), (87, 366525), (135, 236205), (145, 219915), (181, 176175), (225, 141723), (243, 131225), (261, 122175), (405, 78735), (435, 73305), (543, 58725), (675, 47241), (725, 43983), (783, 40725), (905, 35235), (1215, 26245), (1305, 24435), (1629, 19575), (2025, 15747), (2175, 14661), (2349, 13575), (2715, 11745), (3915, 8145), (4525, 7047), (4887, 6525), (5249, 6075)]