81315756

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{33713}}^1$

素因数の和:33790

約数の個数: 36

約数和(自身を含む): 208622232

約数和(自身を除く): 127306476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 201, 268, 402, 603, 804, 1206, 2412, 33713, 67426, 101139, 134852, 202278, 303417, 404556, 606834, 1213668, 2258771, 4517542, 6776313, 9035084, 13552626, 20328939, 27105252, 40657878, 81315756]

約数ペア:

[(1, 81315756), (2, 40657878), (3, 27105252), (4, 20328939), (6, 13552626), (9, 9035084), (12, 6776313), (18, 4517542), (36, 2258771), (67, 1213668), (134, 606834), (201, 404556), (268, 303417), (402, 202278), (603, 134852), (804, 101139), (1206, 67426), (2412, 33713)]