18610155

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 36206352

約数和(自身を除く): 17596197

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 53, 81, 85, 135, 153, 159, 243, 255, 265, 289, 405, 459, 477, 765, 795, 867, 901, 1215, 1377, 1431, 1445, 2295, 2385, 2601, 2703, 4131, 4293, 4335, 4505, 6885, 7155, 7803, 8109, 12879, 13005, 13515, 15317, 20655, 21465, 23409, 24327, 39015, 40545, 45951, 64395, 70227, 72981, 76585, 117045, 121635, 137853, 218943, 229755, 351135, 364905, 413559, 689265, 1094715, 1240677, 2067795, 3722031, 6203385, 18610155]

約数ペア:

[(1, 18610155), (3, 6203385), (5, 3722031), (9, 2067795), (15, 1240677), (17, 1094715), (27, 689265), (45, 413559), (51, 364905), (53, 351135), (81, 229755), (85, 218943), (135, 137853), (153, 121635), (159, 117045), (243, 76585), (255, 72981), (265, 70227), (289, 64395), (405, 45951), (459, 40545), (477, 39015), (765, 24327), (795, 23409), (867, 21465), (901, 20655), (1215, 15317), (1377, 13515), (1431, 13005), (1445, 12879), (2295, 8109), (2385, 7803), (2601, 7155), (2703, 6885), (4131, 4505), (4293, 4335)]