16805985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6959}}^1$

素因数の和:6997

約数の個数: 32

約数和(自身を含む): 32071680

約数和(自身を除く): 15265695

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 6959, 20877, 34795, 48713, 104385, 146139, 160057, 243565, 480171, 730695, 800285, 1120399, 2400855, 3361197, 5601995, 16805985]

約数ペア:

[(1, 16805985), (3, 5601995), (5, 3361197), (7, 2400855), (15, 1120399), (21, 800285), (23, 730695), (35, 480171), (69, 243565), (105, 160057), (115, 146139), (161, 104385), (345, 48713), (483, 34795), (805, 20877), (2415, 6959)]