281383221

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 435133440

約数和(自身を除く): 153750219

約数列:

[1, 3, 7, 21, 113, 283, 339, 419, 791, 849, 1257, 1981, 2373, 2933, 5943, 8799, 31979, 47347, 95937, 118577, 142041, 223853, 331429, 355731, 671559, 830039, 994287, 2490117, 13399201, 40197603, 93794407, 281383221]

約数ペア:

[(1, 281383221), (3, 93794407), (7, 40197603), (21, 13399201), (113, 2490117), (283, 994287), (339, 830039), (419, 671559), (791, 355731), (849, 331429), (1257, 223853), (1981, 142041), (2373, 118577), (2933, 95937), (5943, 47347), (8799, 31979)]