16428945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 28530432

約数和(自身を除く): 12101487

約数列:

[1, 3, 5, 13, 15, 39, 65, 173, 195, 487, 519, 865, 1461, 2249, 2435, 2595, 6331, 6747, 7305, 11245, 18993, 31655, 33735, 84251, 94965, 252753, 421255, 1095263, 1263765, 3285789, 5476315, 16428945]

約数ペア:

[(1, 16428945), (3, 5476315), (5, 3285789), (13, 1263765), (15, 1095263), (39, 421255), (65, 252753), (173, 94965), (195, 84251), (487, 33735), (519, 31655), (865, 18993), (1461, 11245), (2249, 7305), (2435, 6747), (2595, 6331)]