28911789

素因数分解:

$3^3\times {\mathrm{631}}^1\times {\mathrm{1697}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 42925440

約数和(自身を除く): 14013651

約数列:

[1, 3, 9, 27, 631, 1697, 1893, 5091, 5679, 15273, 17037, 45819, 1070807, 3212421, 9637263, 28911789]

約数ペア:

[(1, 28911789), (3, 9637263), (9, 3212421), (27, 1070807), (631, 45819), (1697, 17037), (1893, 15273), (5091, 5679)]