221352399

素因数分解:

$3^3\times {\mathrm{41}}^2\times {\mathrm{4877}}^1$

素因数の和:4968

約数の個数: 24

約数和(自身を含む): 336191760

約数和(自身を除く): 114839361

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 1681, 4877, 5043, 14631, 15129, 43893, 45387, 131679, 199957, 599871, 1799613, 5398839, 8198237, 24594711, 73784133, 221352399]

約数ペア:

[(1, 221352399), (3, 73784133), (9, 24594711), (27, 8198237), (41, 5398839), (123, 1799613), (369, 599871), (1107, 199957), (1681, 131679), (4877, 45387), (5043, 43893), (14631, 15129)]