428365641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2473}}^1$

素因数の和:2697

約数の個数: 32

約数和(自身を含む): 648385920

約数和(自身を除く): 220020279

約数列:

[1, 3, 11, 29, 33, 87, 181, 319, 543, 957, 1991, 2473, 5249, 5973, 7419, 15747, 27203, 57739, 71717, 81609, 173217, 215151, 447613, 788887, 1342839, 2366661, 4923743, 12980777, 14771229, 38942331, 142788547, 428365641]

約数ペア:

[(1, 428365641), (3, 142788547), (11, 38942331), (29, 14771229), (33, 12980777), (87, 4923743), (181, 2366661), (319, 1342839), (543, 788887), (957, 447613), (1991, 215151), (2473, 173217), (5249, 81609), (5973, 71717), (7419, 57739), (15747, 27203)]