28195419

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9011}}^1$

素因数の和:9170

約数の個数: 16

約数和(自身を含む): 43257600

約数和(自身を除く): 15062181

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 9011, 27033, 63077, 189231, 1342639, 4027917, 9398473, 28195419]

約数ペア:

[(1, 28195419), (3, 9398473), (7, 4027917), (21, 1342639), (149, 189231), (447, 63077), (1043, 27033), (3129, 9011)]