1233421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 1511424

約数和(自身を除く): 278003

約数列:

[1, 7, 23, 47, 161, 163, 329, 1081, 1141, 3749, 7567, 7661, 26243, 53627, 176203, 1233421]

約数ペア:

[(1, 1233421), (7, 176203), (23, 53627), (47, 26243), (161, 7661), (163, 7567), (329, 3749), (1081, 1141)]