1868013

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 3120000

約数和(自身を除く): 1251987

約数列:

[1, 3, 7, 9, 21, 63, 149, 199, 447, 597, 1043, 1341, 1393, 1791, 3129, 4179, 9387, 12537, 29651, 88953, 207557, 266859, 622671, 1868013]

約数ペア:

[(1, 1868013), (3, 622671), (7, 266859), (9, 207557), (21, 88953), (63, 29651), (149, 12537), (199, 9387), (447, 4179), (597, 3129), (1043, 1791), (1341, 1393)]