28447263

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{317}}^1$

素因数の和:408

約数の個数: 36

約数和(自身を含む): 45391320

約数和(自身を除く): 16944057

約数列:

[1, 3, 9, 13, 39, 59, 117, 169, 177, 317, 507, 531, 767, 951, 1521, 2301, 2853, 4121, 6903, 9971, 12363, 18703, 29913, 37089, 53573, 56109, 89739, 160719, 168327, 243139, 482157, 729417, 2188251, 3160807, 9482421, 28447263]

約数ペア:

[(1, 28447263), (3, 9482421), (9, 3160807), (13, 2188251), (39, 729417), (59, 482157), (117, 243139), (169, 168327), (177, 160719), (317, 89739), (507, 56109), (531, 53573), (767, 37089), (951, 29913), (1521, 18703), (2301, 12363), (2853, 9971), (4121, 6903)]