28415421

素因数分解:

$3^3\times {\mathrm{659}}^1\times {\mathrm{1597}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 42187200

約数和(自身を除く): 13771779

約数列:

[1, 3, 9, 27, 659, 1597, 1977, 4791, 5931, 14373, 17793, 43119, 1052423, 3157269, 9471807, 28415421]

約数ペア:

[(1, 28415421), (3, 9471807), (9, 3157269), (27, 1052423), (659, 43119), (1597, 17793), (1977, 14373), (4791, 5931)]