28775955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{853}}^1$

素因数の和:1047

約数の個数: 32

約数和(自身を含む): 49928256

約数和(自身を除く): 21152301

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 519, 853, 865, 2249, 2559, 2595, 4265, 6747, 11089, 11245, 12795, 33267, 33735, 55445, 147569, 166335, 442707, 737845, 1918397, 2213535, 5755191, 9591985, 28775955]

約数ペア:

[(1, 28775955), (3, 9591985), (5, 5755191), (13, 2213535), (15, 1918397), (39, 737845), (65, 442707), (173, 166335), (195, 147569), (519, 55445), (853, 33735), (865, 33267), (2249, 12795), (2559, 11245), (2595, 11089), (4265, 6747)]