71291745

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{25147}}^1$

素因数の和:25171

約数の個数: 40

約数和(自身を含む): 146059584

約数和(自身を除く): 74767839

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 25147, 75441, 125735, 176029, 226323, 377205, 528087, 678969, 880145, 1131615, 1584261, 2036907, 2640435, 3394845, 4752783, 7921305, 10184535, 14258349, 23763915, 71291745]

約数ペア:

[(1, 71291745), (3, 23763915), (5, 14258349), (7, 10184535), (9, 7921305), (15, 4752783), (21, 3394845), (27, 2640435), (35, 2036907), (45, 1584261), (63, 1131615), (81, 880145), (105, 678969), (135, 528087), (189, 377205), (315, 226323), (405, 176029), (567, 125735), (945, 75441), (2835, 25147)]