193908351

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1231}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 319019008

約数和(自身を除く): 125110657

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 577, 1231, 1731, 3693, 4039, 7501, 8617, 12117, 16003, 22503, 25851, 48009, 52507, 112021, 157521, 336063, 710287, 2130861, 4972009, 9233731, 14916027, 27701193, 64636117, 193908351]

約数ペア:

[(1, 193908351), (3, 64636117), (7, 27701193), (13, 14916027), (21, 9233731), (39, 4972009), (91, 2130861), (273, 710287), (577, 336063), (1231, 157521), (1731, 112021), (3693, 52507), (4039, 48009), (7501, 25851), (8617, 22503), (12117, 16003)]