201216561

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17977}}^1$

素因数の和:18041

約数の個数: 32

約数和(自身を含む): 338274048

約数和(自身を除く): 137057487

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 17977, 53931, 125839, 233701, 377517, 701103, 737057, 1635907, 2211171, 4907721, 5159399, 9581741, 15478197, 28745223, 67072187, 201216561]

約数ペア:

[(1, 201216561), (3, 67072187), (7, 28745223), (13, 15478197), (21, 9581741), (39, 5159399), (41, 4907721), (91, 2211171), (123, 1635907), (273, 737057), (287, 701103), (533, 377517), (861, 233701), (1599, 125839), (3731, 53931), (11193, 17977)]