28726191

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 46161920

約数和(自身を除く): 17435729

約数列:

[1, 3, 9, 13, 27, 39, 117, 223, 351, 367, 669, 1101, 2007, 2899, 3303, 4771, 6021, 8697, 9909, 14313, 26091, 42939, 78273, 81841, 128817, 245523, 736569, 1063933, 2209707, 3191799, 9575397, 28726191]

約数ペア:

[(1, 28726191), (3, 9575397), (9, 3191799), (13, 2209707), (27, 1063933), (39, 736569), (117, 245523), (223, 128817), (351, 81841), (367, 78273), (669, 42939), (1101, 26091), (2007, 14313), (2899, 9909), (3303, 8697), (4771, 6021)]