81438225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{98713}}^1$

素因数の和:98737

約数の個数: 24

約数和(自身を含む): 146886432

約数和(自身を除く): 65448207

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 98713, 296139, 493565, 1085843, 1480695, 2467825, 3257529, 5429215, 7403475, 16287645, 27146075, 81438225]

約数ペア:

[(1, 81438225), (3, 27146075), (5, 16287645), (11, 7403475), (15, 5429215), (25, 3257529), (33, 2467825), (55, 1480695), (75, 1085843), (165, 493565), (275, 296139), (825, 98713)]