28059135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3889}}^1$

素因数の和:3947

約数の個数: 32

約数和(自身を含む): 49667520

約数和(自身を除く): 21608385

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 3889, 7215, 11667, 19445, 50557, 58335, 143893, 151671, 252785, 431679, 719465, 758355, 1870609, 2158395, 5611827, 9353045, 28059135]

約数ペア:

[(1, 28059135), (3, 9353045), (5, 5611827), (13, 2158395), (15, 1870609), (37, 758355), (39, 719465), (65, 431679), (111, 252785), (185, 151671), (195, 143893), (481, 58335), (555, 50557), (1443, 19445), (2405, 11667), (3889, 7215)]