165940281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 287763840

約数和(自身を除く): 121823559

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 323, 663, 741, 969, 1989, 2223, 2907, 4199, 4391, 12597, 13173, 37791, 39519, 57083, 74647, 83429, 171249, 223941, 250287, 513747, 671823, 750861, 970411, 1084577, 1418293, 2911233, 3253731, 4254879, 8733699, 9761193, 12764637, 18437809, 55313427, 165940281]

約数ペア:

[(1, 165940281), (3, 55313427), (9, 18437809), (13, 12764637), (17, 9761193), (19, 8733699), (39, 4254879), (51, 3253731), (57, 2911233), (117, 1418293), (153, 1084577), (171, 970411), (221, 750861), (247, 671823), (323, 513747), (663, 250287), (741, 223941), (969, 171249), (1989, 83429), (2223, 74647), (2907, 57083), (4199, 39519), (4391, 37791), (12597, 13173)]