197347227

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 342171648

約数和(自身を除く): 144824421

約数列:

[1, 3, 7, 11, 21, 33, 41, 67, 77, 123, 201, 231, 287, 311, 451, 469, 737, 861, 933, 1353, 1407, 2177, 2211, 2747, 3157, 3421, 5159, 6531, 8241, 9471, 10263, 12751, 15477, 19229, 20837, 23947, 30217, 38253, 57687, 62511, 71841, 89257, 90651, 140261, 145859, 211519, 229207, 267771, 420783, 437577, 634557, 687621, 854317, 981827, 1604449, 2562951, 2945481, 4813347, 5980219, 9397487, 17940657, 28192461, 65782409, 197347227]

約数ペア:

[(1, 197347227), (3, 65782409), (7, 28192461), (11, 17940657), (21, 9397487), (33, 5980219), (41, 4813347), (67, 2945481), (77, 2562951), (123, 1604449), (201, 981827), (231, 854317), (287, 687621), (311, 634557), (451, 437577), (469, 420783), (737, 267771), (861, 229207), (933, 211519), (1353, 145859), (1407, 140261), (2177, 90651), (2211, 89257), (2747, 71841), (3157, 62511), (3421, 57687), (5159, 38253), (6531, 30217), (8241, 23947), (9471, 20837), (10263, 19229), (12751, 15477)]