2821329

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 4904640

約数和(自身を除く): 2083311

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2357, 7071, 16499, 21213, 44783, 49497, 134349, 148491, 313481, 403047, 940443, 2821329]

約数ペア:

[(1, 2821329), (3, 940443), (7, 403047), (9, 313481), (19, 148491), (21, 134349), (57, 49497), (63, 44783), (133, 21213), (171, 16499), (399, 7071), (1197, 2357)]