128838525

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3931}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 234032640

約数和(自身を除く): 105194115

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 3931, 6555, 10925, 11793, 19655, 32775, 58965, 74689, 90413, 98275, 224067, 271239, 294825, 373445, 452065, 1120335, 1356195, 1717847, 1867225, 2260325, 5153541, 5601675, 6780975, 8589235, 25767705, 42946175, 128838525]

約数ペア:

[(1, 128838525), (3, 42946175), (5, 25767705), (15, 8589235), (19, 6780975), (23, 5601675), (25, 5153541), (57, 2260325), (69, 1867225), (75, 1717847), (95, 1356195), (115, 1120335), (285, 452065), (345, 373445), (437, 294825), (475, 271239), (575, 224067), (1311, 98275), (1425, 90413), (1725, 74689), (2185, 58965), (3931, 32775), (6555, 19655), (10925, 11793)]