22570821

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 42491904

約数和(自身を除く): 19921083

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 127, 147, 217, 273, 279, 381, 403, 441, 637, 651, 819, 889, 1143, 1209, 1519, 1651, 1911, 1953, 2667, 2821, 3627, 3937, 4557, 4953, 5733, 6223, 8001, 8463, 11557, 11811, 13671, 14859, 18669, 19747, 25389, 27559, 34671, 35433, 51181, 56007, 59241, 80899, 82677, 104013, 153543, 177723, 192913, 242697, 248031, 358267, 460629, 578739, 728091, 1074801, 1736217, 2507869, 3224403, 7523607, 22570821]

約数ペア:

[(1, 22570821), (3, 7523607), (7, 3224403), (9, 2507869), (13, 1736217), (21, 1074801), (31, 728091), (39, 578739), (49, 460629), (63, 358267), (91, 248031), (93, 242697), (117, 192913), (127, 177723), (147, 153543), (217, 104013), (273, 82677), (279, 80899), (381, 59241), (403, 56007), (441, 51181), (637, 35433), (651, 34671), (819, 27559), (889, 25389), (1143, 19747), (1209, 18669), (1519, 14859), (1651, 13671), (1911, 11811), (1953, 11557), (2667, 8463), (2821, 8001), (3627, 6223), (3937, 5733), (4557, 4953)]