11821545

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:152

約数の個数: 60

約数和(自身を含む): 22733964

約数和(自身を除く): 10912419

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 101, 135, 153, 255, 289, 303, 405, 459, 505, 765, 867, 909, 1377, 1445, 1515, 1717, 2295, 2601, 2727, 4335, 4545, 5151, 6885, 7803, 8181, 8585, 13005, 13635, 15453, 23409, 25755, 29189, 39015, 40905, 46359, 77265, 87567, 117045, 139077, 145945, 231795, 262701, 437835, 695385, 788103, 1313505, 2364309, 3940515, 11821545]

約数ペア:

[(1, 11821545), (3, 3940515), (5, 2364309), (9, 1313505), (15, 788103), (17, 695385), (27, 437835), (45, 262701), (51, 231795), (81, 145945), (85, 139077), (101, 117045), (135, 87567), (153, 77265), (255, 46359), (289, 40905), (303, 39015), (405, 29189), (459, 25755), (505, 23409), (765, 15453), (867, 13635), (909, 13005), (1377, 8585), (1445, 8181), (1515, 7803), (1717, 6885), (2295, 5151), (2601, 4545), (2727, 4335)]