199735809

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5501}}^1$

素因数の和:5550

約数の個数: 48

約数和(自身を含む): 351247680

約数和(自身を除く): 151511871

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 273, 399, 637, 741, 931, 1729, 1911, 2793, 5187, 5501, 12103, 16503, 36309, 38507, 71513, 104519, 115521, 214539, 269549, 313557, 500591, 731633, 808647, 1358747, 1501773, 2194899, 3504137, 4076241, 5121431, 9511229, 10512411, 15364293, 28533687, 66578603, 199735809]

約数ペア:

[(1, 199735809), (3, 66578603), (7, 28533687), (13, 15364293), (19, 10512411), (21, 9511229), (39, 5121431), (49, 4076241), (57, 3504137), (91, 2194899), (133, 1501773), (147, 1358747), (247, 808647), (273, 731633), (399, 500591), (637, 313557), (741, 269549), (931, 214539), (1729, 115521), (1911, 104519), (2793, 71513), (5187, 38507), (5501, 36309), (12103, 16503)]