27903945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 48211200

約数和(自身を除く): 20307255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2789, 3335, 8367, 10005, 13945, 41835, 64147, 80881, 192441, 242643, 320735, 404405, 962205, 1213215, 1860263, 5580789, 9301315, 27903945]

約数ペア:

[(1, 27903945), (3, 9301315), (5, 5580789), (15, 1860263), (23, 1213215), (29, 962205), (69, 404405), (87, 320735), (115, 242643), (145, 192441), (345, 80881), (435, 64147), (667, 41835), (2001, 13945), (2789, 10005), (3335, 8367)]