228990111

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1663}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 357826560

約数和(自身を除く): 128836449

約数列:

[1, 3, 7, 21, 79, 83, 237, 249, 553, 581, 1659, 1663, 1743, 4989, 6557, 11641, 19671, 34923, 45899, 131377, 137697, 138029, 394131, 414087, 919639, 966203, 2758917, 2898609, 10904291, 32712873, 76330037, 228990111]

約数ペア:

[(1, 228990111), (3, 76330037), (7, 32712873), (21, 10904291), (79, 2898609), (83, 2758917), (237, 966203), (249, 919639), (553, 414087), (581, 394131), (1659, 138029), (1663, 137697), (1743, 131377), (4989, 45899), (6557, 34923), (11641, 19671)]