201553989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 353880576

約数和(自身を除く): 152326587

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 137, 221, 273, 317, 357, 411, 663, 951, 959, 1547, 1781, 2219, 2329, 2877, 4121, 4641, 5343, 5389, 6657, 6987, 12363, 12467, 16167, 16303, 28847, 30277, 37401, 37723, 43429, 48909, 70057, 86541, 90831, 113169, 130287, 210171, 211939, 304003, 490399, 564577, 635817, 738293, 912009, 1471197, 1693731, 2214879, 3952039, 5168051, 9597809, 11856117, 15504153, 28793427, 67184663, 201553989]

約数ペア:

[(1, 201553989), (3, 67184663), (7, 28793427), (13, 15504153), (17, 11856117), (21, 9597809), (39, 5168051), (51, 3952039), (91, 2214879), (119, 1693731), (137, 1471197), (221, 912009), (273, 738293), (317, 635817), (357, 564577), (411, 490399), (663, 304003), (951, 211939), (959, 210171), (1547, 130287), (1781, 113169), (2219, 90831), (2329, 86541), (2877, 70057), (4121, 48909), (4641, 43429), (5343, 37723), (5389, 37401), (6657, 30277), (6987, 28847), (12363, 16303), (12467, 16167)]