201706921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 238902048

約数和(自身を除く): 37195127

約数列:

[1, 13, 17, 41, 113, 197, 221, 533, 697, 1469, 1921, 2561, 3349, 4633, 8077, 9061, 22261, 24973, 43537, 60229, 78761, 105001, 137309, 289393, 378437, 912701, 1023893, 1785017, 4919681, 11865113, 15515917, 201706921]

約数ペア:

[(1, 201706921), (13, 15515917), (17, 11865113), (41, 4919681), (113, 1785017), (197, 1023893), (221, 912701), (533, 378437), (697, 289393), (1469, 137309), (1921, 105001), (2561, 78761), (3349, 60229), (4633, 43537), (8077, 24973), (9061, 22261)]