428472933

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{2879}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 689356800

約数和(自身を除く): 260883867

約数列:

[1, 3, 7, 19, 21, 57, 133, 373, 399, 1119, 2611, 2879, 7087, 7833, 8637, 20153, 21261, 49609, 54701, 60459, 148827, 164103, 382907, 1073867, 1148721, 3221601, 7517069, 20403473, 22551207, 61210419, 142824311, 428472933]

約数ペア:

[(1, 428472933), (3, 142824311), (7, 61210419), (19, 22551207), (21, 20403473), (57, 7517069), (133, 3221601), (373, 1148721), (399, 1073867), (1119, 382907), (2611, 164103), (2879, 148827), (7087, 60459), (7833, 54701), (8637, 49609), (20153, 21261)]