27720403191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{65287}}^1$

素因数の和:65516

約数の個数: 48

約数和(自身を含む): 45628477440

約数和(自身を除く): 17908074249

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 191, 247, 573, 741, 1719, 2223, 2483, 3629, 7449, 10887, 22347, 32661, 47177, 65287, 141531, 195861, 424593, 587583, 848731, 1240453, 2546193, 3721359, 7638579, 11164077, 12469817, 16125889, 37409451, 48377667, 112228353, 145133001, 162107621, 236926523, 486322863, 710779569, 1458968589, 2132338707, 3080044799, 9240134397, 27720403191]

約数ペア:

[(1, 27720403191), (3, 9240134397), (9, 3080044799), (13, 2132338707), (19, 1458968589), (39, 710779569), (57, 486322863), (117, 236926523), (171, 162107621), (191, 145133001), (247, 112228353), (573, 48377667), (741, 37409451), (1719, 16125889), (2223, 12469817), (2483, 11164077), (3629, 7638579), (7449, 3721359), (10887, 2546193), (22347, 1240453), (32661, 848731), (47177, 587583), (65287, 424593), (141531, 195861)]