219407643

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12757}}^1$

素因数の和:12793

約数の個数: 48

約数和(自身を含む): 407235360

約数和(自身を除く): 187827717

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1323, 1911, 2457, 5733, 12757, 17199, 38271, 89299, 114813, 165841, 267897, 344439, 497523, 625093, 803691, 1160887, 1492569, 1875279, 2411073, 3482661, 4477707, 5625837, 8126209, 10447983, 16877511, 24378627, 31343949, 73135881, 219407643]

約数ペア:

[(1, 219407643), (3, 73135881), (7, 31343949), (9, 24378627), (13, 16877511), (21, 10447983), (27, 8126209), (39, 5625837), (49, 4477707), (63, 3482661), (91, 2411073), (117, 1875279), (147, 1492569), (189, 1160887), (273, 803691), (351, 625093), (441, 497523), (637, 344439), (819, 267897), (1323, 165841), (1911, 114813), (2457, 89299), (5733, 38271), (12757, 17199)]