197231229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 344183840

約数和(自身を除く): 146952611

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 221, 247, 289, 307, 323, 663, 741, 867, 921, 969, 1989, 2223, 2601, 2763, 2907, 3757, 3991, 4199, 5219, 5491, 5833, 11271, 11973, 12597, 15657, 16473, 17499, 33813, 35919, 37791, 46971, 49419, 52497, 67847, 71383, 75829, 88723, 99161, 203541, 214149, 227487, 266169, 297483, 610623, 642447, 682461, 798507, 892449, 1153399, 1289093, 1685737, 3460197, 3867279, 5057211, 10380591, 11601837, 15171633, 21914581, 65743743, 197231229]

約数ペア:

[(1, 197231229), (3, 65743743), (9, 21914581), (13, 15171633), (17, 11601837), (19, 10380591), (39, 5057211), (51, 3867279), (57, 3460197), (117, 1685737), (153, 1289093), (171, 1153399), (221, 892449), (247, 798507), (289, 682461), (307, 642447), (323, 610623), (663, 297483), (741, 266169), (867, 227487), (921, 214149), (969, 203541), (1989, 99161), (2223, 88723), (2601, 75829), (2763, 71383), (2907, 67847), (3757, 52497), (3991, 49419), (4199, 46971), (5219, 37791), (5491, 35919), (5833, 33813), (11271, 17499), (11973, 16473), (12597, 15657)]