181517742

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{857}}^1$

素因数の和:954

約数の個数: 72

約数和(自身を含む): 461240208

約数和(自身を除く): 279722466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 857, 861, 1681, 1714, 1722, 2571, 2583, 3362, 5043, 5142, 5166, 5999, 7713, 10086, 11767, 11998, 15129, 15426, 17997, 23534, 30258, 35137, 35301, 35994, 53991, 70274, 70602, 105411, 105903, 107982, 210822, 211806, 245959, 316233, 491918, 632466, 737877, 1440617, 1475754, 2213631, 2881234, 4321851, 4427262, 8643702, 10084319, 12965553, 20168638, 25931106, 30252957, 60505914, 90758871, 181517742]

約数ペア:

[(1, 181517742), (2, 90758871), (3, 60505914), (6, 30252957), (7, 25931106), (9, 20168638), (14, 12965553), (18, 10084319), (21, 8643702), (41, 4427262), (42, 4321851), (63, 2881234), (82, 2213631), (123, 1475754), (126, 1440617), (246, 737877), (287, 632466), (369, 491918), (574, 316233), (738, 245959), (857, 211806), (861, 210822), (1681, 107982), (1714, 105903), (1722, 105411), (2571, 70602), (2583, 70274), (3362, 53991), (5043, 35994), (5142, 35301), (5166, 35137), (5999, 30258), (7713, 23534), (10086, 17997), (11767, 15426), (11998, 15129)]