27984915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1217}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 56242368

約数和(自身を除く): 28257453

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1217, 1533, 2555, 3285, 3651, 4599, 6085, 7665, 8519, 10953, 18255, 22995, 25557, 42595, 54765, 76671, 88841, 127785, 266523, 383355, 444205, 621887, 799569, 1332615, 1865661, 3109435, 3997845, 5596983, 9328305, 27984915]

約数ペア:

[(1, 27984915), (3, 9328305), (5, 5596983), (7, 3997845), (9, 3109435), (15, 1865661), (21, 1332615), (35, 799569), (45, 621887), (63, 444205), (73, 383355), (105, 266523), (219, 127785), (315, 88841), (365, 76671), (511, 54765), (657, 42595), (1095, 25557), (1217, 22995), (1533, 18255), (2555, 10953), (3285, 8519), (3651, 7665), (4599, 6085)]