28342845

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3042

約数の個数: 32

約数和(自身を含む): 51114240

約数和(自身を除く): 22771395

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 2957, 3195, 8871, 9585, 14785, 26613, 44355, 79839, 133065, 209947, 399195, 629841, 1049735, 1889523, 3149205, 5668569, 9447615, 28342845]

約数ペア:

[(1, 28342845), (3, 9447615), (5, 5668569), (9, 3149205), (15, 1889523), (27, 1049735), (45, 629841), (71, 399195), (135, 209947), (213, 133065), (355, 79839), (639, 44355), (1065, 26613), (1917, 14785), (2957, 9585), (3195, 8871)]