28808115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16139}}^1$

素因数の和:16171

約数の個数: 32

約数和(自身を含む): 55779840

約数和(自身を除く): 26971725

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 16139, 48417, 80695, 112973, 242085, 274363, 338919, 564865, 823089, 1371815, 1694595, 1920541, 4115445, 5761623, 9602705, 28808115]

約数ペア:

[(1, 28808115), (3, 9602705), (5, 5761623), (7, 4115445), (15, 1920541), (17, 1694595), (21, 1371815), (35, 823089), (51, 564865), (85, 338919), (105, 274363), (119, 242085), (255, 112973), (357, 80695), (595, 48417), (1785, 16139)]