207218529

素因数分解:

$3^2\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{2659}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 342480320

約数和(自身を除く): 135261791

約数列:

[1, 3, 7, 9, 21, 63, 1237, 2659, 3711, 7977, 8659, 11133, 18613, 23931, 25977, 55839, 77931, 167517, 3289183, 9867549, 23024281, 29602647, 69072843, 207218529]

約数ペア:

[(1, 207218529), (3, 69072843), (7, 29602647), (9, 23024281), (21, 9867549), (63, 3289183), (1237, 167517), (2659, 77931), (3711, 55839), (7977, 25977), (8659, 23931), (11133, 18613)]