201103245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638423}}^1$

素因数の和:638441

約数の個数: 24

約数和(自身を含む): 398376576

約数和(自身を除く): 197273331

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638423, 1915269, 3192115, 4468961, 5745807, 9576345, 13406883, 22344805, 28729035, 40220649, 67034415, 201103245]

約数ペア:

[(1, 201103245), (3, 67034415), (5, 40220649), (7, 28729035), (9, 22344805), (15, 13406883), (21, 9576345), (35, 5745807), (45, 4468961), (63, 3192115), (105, 1915269), (315, 638423)]