72647715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{40699}}^1$

素因数の和:40731

約数の個数: 32

約数和(自身を含む): 140659200

約数和(自身を除く): 68011485

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 40699, 122097, 203495, 284893, 610485, 691883, 854679, 1424465, 2075649, 3459415, 4273395, 4843181, 10378245, 14529543, 24215905, 72647715]

約数ペア:

[(1, 72647715), (3, 24215905), (5, 14529543), (7, 10378245), (15, 4843181), (17, 4273395), (21, 3459415), (35, 2075649), (51, 1424465), (85, 854679), (105, 691883), (119, 610485), (255, 284893), (357, 203495), (595, 122097), (1785, 40699)]