420020733

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{877}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 639240192

約数和(自身を除く): 219219459

約数列:

[1, 3, 11, 23, 33, 69, 253, 631, 759, 877, 1893, 2631, 6941, 9647, 14513, 20171, 20823, 28941, 43539, 60513, 159643, 221881, 478929, 553387, 665643, 1660161, 6087257, 12727901, 18261771, 38183703, 140006911, 420020733]

約数ペア:

[(1, 420020733), (3, 140006911), (11, 38183703), (23, 18261771), (33, 12727901), (69, 6087257), (253, 1660161), (631, 665643), (759, 553387), (877, 478929), (1893, 221881), (2631, 159643), (6941, 60513), (9647, 43539), (14513, 28941), (20171, 20823)]