16905447

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 27955200

約数和(自身を除く): 11049753

約数列:

[1, 3, 9, 13, 31, 39, 59, 79, 93, 117, 177, 237, 279, 403, 531, 711, 767, 1027, 1209, 1829, 2301, 2449, 3081, 3627, 4661, 5487, 6903, 7347, 9243, 13983, 16461, 22041, 23777, 31837, 41949, 60593, 71331, 95511, 144491, 181779, 213993, 286533, 433473, 545337, 1300419, 1878383, 5635149, 16905447]

約数ペア:

[(1, 16905447), (3, 5635149), (9, 1878383), (13, 1300419), (31, 545337), (39, 433473), (59, 286533), (79, 213993), (93, 181779), (117, 144491), (177, 95511), (237, 71331), (279, 60593), (403, 41949), (531, 31837), (711, 23777), (767, 22041), (1027, 16461), (1209, 13983), (1829, 9243), (2301, 7347), (2449, 6903), (3081, 5487), (3627, 4661)]