15990897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 8684943

約数列:

[1, 3, 13, 17, 39, 51, 89, 221, 267, 271, 663, 813, 1157, 1513, 3471, 3523, 4539, 4607, 10569, 13821, 19669, 24119, 59007, 59891, 72357, 179673, 313547, 410023, 940641, 1230069, 5330299, 15990897]

約数ペア:

[(1, 15990897), (3, 5330299), (13, 1230069), (17, 940641), (39, 410023), (51, 313547), (89, 179673), (221, 72357), (267, 59891), (271, 59007), (663, 24119), (813, 19669), (1157, 13821), (1513, 10569), (3471, 4607), (3523, 4539)]