201665565

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{51511}}^1$

素因数の和:51554

約数の個数: 32

約数和(自身を含む): 370886400

約数和(自身を除く): 169220835

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 51511, 154533, 257555, 463599, 772665, 1390797, 1493819, 2317995, 4481457, 6953985, 7469095, 13444371, 22407285, 40333113, 67221855, 201665565]

約数ペア:

[(1, 201665565), (3, 67221855), (5, 40333113), (9, 22407285), (15, 13444371), (27, 7469095), (29, 6953985), (45, 4481457), (87, 2317995), (135, 1493819), (145, 1390797), (261, 772665), (435, 463599), (783, 257555), (1305, 154533), (3915, 51511)]