138881457

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 247473408

約数和(自身を除く): 108591951

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 59, 93, 99, 117, 143, 177, 279, 341, 403, 429, 531, 649, 767, 1023, 1209, 1287, 1829, 1947, 2301, 3069, 3481, 3627, 4433, 5487, 5841, 6903, 8437, 10443, 13299, 16461, 20119, 23777, 25311, 31329, 38291, 39897, 45253, 60357, 71331, 75933, 107911, 114873, 135759, 181071, 213993, 261547, 323733, 344619, 407277, 497783, 784641, 971199, 1187021, 1402843, 1493349, 2353923, 3561063, 4208529, 4480047, 10683189, 12625587, 15431273, 46293819, 138881457]

約数ペア:

[(1, 138881457), (3, 46293819), (9, 15431273), (11, 12625587), (13, 10683189), (31, 4480047), (33, 4208529), (39, 3561063), (59, 2353923), (93, 1493349), (99, 1402843), (117, 1187021), (143, 971199), (177, 784641), (279, 497783), (341, 407277), (403, 344619), (429, 323733), (531, 261547), (649, 213993), (767, 181071), (1023, 135759), (1209, 114873), (1287, 107911), (1829, 75933), (1947, 71331), (2301, 60357), (3069, 45253), (3481, 39897), (3627, 38291), (4433, 31329), (5487, 25311), (5841, 23777), (6903, 20119), (8437, 16461), (10443, 13299)]