720339945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{38083}}^1$

素因数の和:38201

約数の個数: 32

約数和(自身を含む): 1254029952

約数和(自身を除く): 533690007

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 6305, 18915, 38083, 114249, 190415, 495079, 571245, 1485237, 2475395, 3694051, 7426185, 11082153, 18470255, 48022663, 55410765, 144067989, 240113315, 720339945]

約数ペア:

[(1, 720339945), (3, 240113315), (5, 144067989), (13, 55410765), (15, 48022663), (39, 18470255), (65, 11082153), (97, 7426185), (195, 3694051), (291, 2475395), (485, 1485237), (1261, 571245), (1455, 495079), (3783, 190415), (6305, 114249), (18915, 38083)]