163980045

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{467}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 313788384

約数和(自身を除く): 149808339

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 289, 405, 459, 467, 765, 867, 1215, 1377, 1401, 1445, 2295, 2335, 2601, 4131, 4203, 4335, 6885, 7005, 7803, 7939, 12609, 13005, 20655, 21015, 23409, 23817, 37827, 39015, 39695, 63045, 70227, 71451, 113481, 117045, 119085, 134963, 189135, 214353, 351135, 357255, 404889, 567405, 643059, 674815, 1071765, 1214667, 1929177, 2024445, 3215295, 3644001, 6073335, 9645885, 10932003, 18220005, 32796009, 54660015, 163980045]

約数ペア:

[(1, 163980045), (3, 54660015), (5, 32796009), (9, 18220005), (15, 10932003), (17, 9645885), (27, 6073335), (45, 3644001), (51, 3215295), (81, 2024445), (85, 1929177), (135, 1214667), (153, 1071765), (243, 674815), (255, 643059), (289, 567405), (405, 404889), (459, 357255), (467, 351135), (765, 214353), (867, 189135), (1215, 134963), (1377, 119085), (1401, 117045), (1445, 113481), (2295, 71451), (2335, 70227), (2601, 63045), (4131, 39695), (4203, 39015), (4335, 37827), (6885, 23817), (7005, 23409), (7803, 21015), (7939, 20655), (12609, 13005)]