1620227553

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{387707}}^1$

素因数の和:387916

約数の個数: 16

約数和(自身を含む): 2481331200

約数和(自身を除く): 861103647

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 387707, 1163121, 2713949, 8141847, 77153693, 231461079, 540075851, 1620227553]

約数ペア:

[(1, 1620227553), (3, 540075851), (7, 231461079), (21, 77153693), (199, 8141847), (597, 2713949), (1393, 1163121), (4179, 387707)]