28444113

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1097}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 42707808

約数和(自身を除く): 14263695

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 1097, 2881, 3291, 8643, 9873, 25929, 47171, 73499, 141513, 220497, 424539, 661491, 3160457, 9481371, 28444113]

約数ペア:

[(1, 28444113), (3, 9481371), (9, 3160457), (43, 661491), (67, 424539), (129, 220497), (201, 141513), (387, 73499), (603, 47171), (1097, 25929), (2881, 9873), (3291, 8643)]