81358506

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{8233}}^1$

素因数の和:8308

約数の個数: 40

約数和(自身を含む): 185314404

約数和(自身を除く): 103955898

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 8233, 9882, 16466, 24699, 49398, 74097, 148194, 222291, 444582, 502213, 666873, 1004426, 1333746, 1506639, 3013278, 4519917, 9039834, 13559751, 27119502, 40679253, 81358506]

約数ペア:

[(1, 81358506), (2, 40679253), (3, 27119502), (6, 13559751), (9, 9039834), (18, 4519917), (27, 3013278), (54, 1506639), (61, 1333746), (81, 1004426), (122, 666873), (162, 502213), (183, 444582), (366, 222291), (549, 148194), (1098, 74097), (1647, 49398), (3294, 24699), (4941, 16466), (8233, 9882)]