198802215

素因数分解:

$3^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2579}}^1$

素因数の和:3164

約数の個数: 32

約数和(自身を含む): 354182400

約数和(自身を除く): 155380185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 571, 1713, 2579, 2855, 5139, 7737, 8565, 12895, 15417, 23211, 25695, 38685, 69633, 77085, 116055, 348165, 1472609, 4417827, 7363045, 13253481, 22089135, 39760443, 66267405, 198802215]

約数ペア:

[(1, 198802215), (3, 66267405), (5, 39760443), (9, 22089135), (15, 13253481), (27, 7363045), (45, 4417827), (135, 1472609), (571, 348165), (1713, 116055), (2579, 77085), (2855, 69633), (5139, 38685), (7737, 25695), (8565, 23211), (12895, 15417)]