138619917

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{39799}}^1$

素因数の和:39854

約数の個数: 20

約数和(自身を含む): 211895200

約数和(自身を除く): 73275283

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 39799, 119397, 358191, 1074573, 1711357, 3223719, 5134071, 15402213, 46206639, 138619917]

約数ペア:

[(1, 138619917), (3, 46206639), (9, 15402213), (27, 5134071), (43, 3223719), (81, 1711357), (129, 1074573), (387, 358191), (1161, 119397), (3483, 39799)]