280063371

素因数分解:

$3^1\times 7^2\times {\mathrm{419}}^1\times {\mathrm{4547}}^1$

素因数の和:4983

約数の個数: 24

約数和(自身を含む): 435516480

約数和(自身を除く): 155453109

約数列:

[1, 3, 7, 21, 49, 147, 419, 1257, 2933, 4547, 8799, 13641, 20531, 31829, 61593, 95487, 222803, 668409, 1905193, 5715579, 13336351, 40009053, 93354457, 280063371]

約数ペア:

[(1, 280063371), (3, 93354457), (7, 40009053), (21, 13336351), (49, 5715579), (147, 1905193), (419, 668409), (1257, 222803), (2933, 95487), (4547, 61593), (8799, 31829), (13641, 20531)]