223965

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{79}}^1$

素因数の和:103

約数の個数: 40

約数和(自身を含む): 464640

約数和(自身を除く): 240675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 81, 105, 135, 189, 237, 315, 395, 405, 553, 567, 711, 945, 1185, 1659, 2133, 2765, 2835, 3555, 4977, 6399, 8295, 10665, 14931, 24885, 31995, 44793, 74655, 223965]

約数ペア:

[(1, 223965), (3, 74655), (5, 44793), (7, 31995), (9, 24885), (15, 14931), (21, 10665), (27, 8295), (35, 6399), (45, 4977), (63, 3555), (79, 2835), (81, 2765), (105, 2133), (135, 1659), (189, 1185), (237, 945), (315, 711), (395, 567), (405, 553)]