28388151

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 46789248

約数和(自身を除く): 18401097

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 151, 211, 297, 453, 633, 891, 1359, 1661, 1899, 2321, 4077, 4983, 5697, 6963, 12231, 14949, 17091, 20889, 31861, 44847, 62667, 95583, 134541, 188001, 286749, 350471, 860247, 1051413, 2580741, 3154239, 9462717, 28388151]

約数ペア:

[(1, 28388151), (3, 9462717), (9, 3154239), (11, 2580741), (27, 1051413), (33, 860247), (81, 350471), (99, 286749), (151, 188001), (211, 134541), (297, 95583), (453, 62667), (633, 44847), (891, 31861), (1359, 20889), (1661, 17091), (1899, 14949), (2321, 12231), (4077, 6963), (4983, 5697)]