281906703

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{61781}}^1$

素因数の和:61816

約数の個数: 24

約数和(自身を含む): 452244240

約数和(自身を除く): 170337537

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 61781, 185343, 556029, 803153, 1668087, 2409459, 7228377, 10440989, 21685131, 31322967, 93968901, 281906703]

約数ペア:

[(1, 281906703), (3, 93968901), (9, 31322967), (13, 21685131), (27, 10440989), (39, 7228377), (117, 2409459), (169, 1668087), (351, 803153), (507, 556029), (1521, 185343), (4563, 61781)]