28731255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11897}}^1$

素因数の和:11935

約数の個数: 32

約数和(自身を含む): 54825984

約数和(自身を除く): 26094729

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 11897, 35691, 59485, 83279, 178455, 249837, 273631, 416395, 820893, 1249185, 1368155, 1915417, 4104465, 5746251, 9577085, 28731255]

約数ペア:

[(1, 28731255), (3, 9577085), (5, 5746251), (7, 4104465), (15, 1915417), (21, 1368155), (23, 1249185), (35, 820893), (69, 416395), (105, 273631), (115, 249837), (161, 178455), (345, 83279), (483, 59485), (805, 35691), (2415, 11897)]