201589965

素因数分解:

$3^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1217}}^1$

素因数の和:1643

約数の個数: 40

約数和(自身を含む): 362549880

約数和(自身を除く): 160959915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 409, 1217, 1227, 2045, 3651, 3681, 6085, 6135, 10953, 11043, 18255, 18405, 32859, 33129, 54765, 55215, 98577, 164295, 165645, 492885, 497753, 1493259, 2488765, 4479777, 7466295, 13439331, 22398885, 40317993, 67196655, 201589965]

約数ペア:

[(1, 201589965), (3, 67196655), (5, 40317993), (9, 22398885), (15, 13439331), (27, 7466295), (45, 4479777), (81, 2488765), (135, 1493259), (405, 497753), (409, 492885), (1217, 165645), (1227, 164295), (2045, 98577), (3651, 55215), (3681, 54765), (6085, 33129), (6135, 32859), (10953, 18405), (11043, 18255)]