639867279

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{12973}}^1$

素因数の和:13418

約数の個数: 16

約数和(自身を含む): 876212064

約数和(自身を除く): 236344785

約数列:

[1, 3, 41, 123, 401, 1203, 12973, 16441, 38919, 49323, 531893, 1595679, 5202173, 15606519, 213289093, 639867279]

約数ペア:

[(1, 639867279), (3, 213289093), (41, 15606519), (123, 5202173), (401, 1595679), (1203, 531893), (12973, 49323), (16441, 38919)]