193898991

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 324166752

約数和(自身を除く): 130267761

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 121, 143, 187, 221, 363, 429, 561, 663, 1573, 2057, 2417, 2431, 4719, 6171, 7251, 7293, 26587, 26741, 31421, 41089, 79761, 80223, 94263, 123267, 292457, 345631, 451979, 534157, 877371, 1036893, 1355937, 1602471, 3801941, 4971769, 5875727, 11405823, 14915307, 17627181, 64632997, 193898991]

約数ペア:

[(1, 193898991), (3, 64632997), (11, 17627181), (13, 14915307), (17, 11405823), (33, 5875727), (39, 4971769), (51, 3801941), (121, 1602471), (143, 1355937), (187, 1036893), (221, 877371), (363, 534157), (429, 451979), (561, 345631), (663, 292457), (1573, 123267), (2057, 94263), (2417, 80223), (2431, 79761), (4719, 41089), (6171, 31421), (7251, 26741), (7293, 26587)]