31921995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16035

約数の個数: 32

約数和(自身を含む): 61447680

約数和(自身を除く): 29525685

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 16001, 48003, 80005, 112007, 240015, 304019, 336021, 560035, 912057, 1520095, 1680105, 2128133, 4560285, 6384399, 10640665, 31921995]

約数ペア:

[(1, 31921995), (3, 10640665), (5, 6384399), (7, 4560285), (15, 2128133), (19, 1680105), (21, 1520095), (35, 912057), (57, 560035), (95, 336021), (105, 304019), (133, 240015), (285, 112007), (399, 80005), (665, 48003), (1995, 16001)]