201339721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 243233280

約数和(自身を除く): 41893559

約数列:

[1, 11, 17, 29, 137, 187, 271, 319, 493, 1507, 2329, 2981, 3973, 4607, 5423, 7859, 25619, 37127, 43703, 50677, 67541, 86449, 133603, 408397, 631159, 742951, 1076683, 1469633, 6942749, 11843513, 18303611, 201339721]

約数ペア:

[(1, 201339721), (11, 18303611), (17, 11843513), (29, 6942749), (137, 1469633), (187, 1076683), (271, 742951), (319, 631159), (493, 408397), (1507, 133603), (2329, 86449), (2981, 67541), (3973, 50677), (4607, 43703), (5423, 37127), (7859, 25619)]