20170278

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 45313632

約数和(自身を除く): 25143354

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 151, 181, 246, 302, 362, 369, 453, 543, 738, 906, 1086, 1359, 1629, 2718, 3258, 6191, 7421, 12382, 14842, 18573, 22263, 27331, 37146, 44526, 54662, 55719, 66789, 81993, 111438, 133578, 163986, 245979, 491958, 1120571, 2241142, 3361713, 6723426, 10085139, 20170278]

約数ペア:

[(1, 20170278), (2, 10085139), (3, 6723426), (6, 3361713), (9, 2241142), (18, 1120571), (41, 491958), (82, 245979), (123, 163986), (151, 133578), (181, 111438), (246, 81993), (302, 66789), (362, 55719), (369, 54662), (453, 44526), (543, 37146), (738, 27331), (906, 22263), (1086, 18573), (1359, 14842), (1629, 12382), (2718, 7421), (3258, 6191)]