15638265

素因数分解:

$3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 28706496

約数和(自身を除く): 13068231

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 211, 243, 305, 405, 549, 633, 915, 1055, 1215, 1647, 1899, 2745, 3165, 4941, 5697, 8235, 9495, 12871, 14823, 17091, 24705, 28485, 38613, 51273, 64355, 74115, 85455, 115839, 193065, 256365, 347517, 579195, 1042551, 1737585, 3127653, 5212755, 15638265]

約数ペア:

[(1, 15638265), (3, 5212755), (5, 3127653), (9, 1737585), (15, 1042551), (27, 579195), (45, 347517), (61, 256365), (81, 193065), (135, 115839), (183, 85455), (211, 74115), (243, 64355), (305, 51273), (405, 38613), (549, 28485), (633, 24705), (915, 17091), (1055, 14823), (1215, 12871), (1647, 9495), (1899, 8235), (2745, 5697), (3165, 4941)]