81121338

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{8209}}^1$

素因数の和:8284

約数の個数: 40

約数和(自身を含む): 184774260

約数和(自身を除く): 103652922

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 8209, 9882, 16418, 24627, 49254, 73881, 147762, 221643, 443286, 500749, 664929, 1001498, 1329858, 1502247, 3004494, 4506741, 9013482, 13520223, 27040446, 40560669, 81121338]

約数ペア:

[(1, 81121338), (2, 40560669), (3, 27040446), (6, 13520223), (9, 9013482), (18, 4506741), (27, 3004494), (54, 1502247), (61, 1329858), (81, 1001498), (122, 664929), (162, 500749), (183, 443286), (366, 221643), (549, 147762), (1098, 73881), (1647, 49254), (3294, 24627), (4941, 16418), (8209, 9882)]