212513463

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{28211}}^1$

素因数の和:28257

約数の個数: 24

約数和(自身を含む): 328613376

約数和(自身を除く): 116099913

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 837, 2511, 7533, 28211, 84633, 253899, 761697, 874541, 2285091, 2623623, 6855273, 7870869, 23612607, 70837821, 212513463]

約数ペア:

[(1, 212513463), (3, 70837821), (9, 23612607), (27, 7870869), (31, 6855273), (81, 2623623), (93, 2285091), (243, 874541), (279, 761697), (837, 253899), (2511, 84633), (7533, 28211)]