28860195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21171

約数の個数: 32

約数和(自身を含む): 56835072

約数和(自身を除く): 27974877

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21143, 63429, 105715, 148001, 274859, 317145, 444003, 740005, 824577, 1374295, 1924013, 2220015, 4122885, 5772039, 9620065, 28860195]

約数ペア:

[(1, 28860195), (3, 9620065), (5, 5772039), (7, 4122885), (13, 2220015), (15, 1924013), (21, 1374295), (35, 824577), (39, 740005), (65, 444003), (91, 317145), (105, 274859), (195, 148001), (273, 105715), (455, 63429), (1365, 21143)]