16216005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 28191744

約数和(自身を除く): 11975739

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 607, 685, 1781, 1821, 2055, 3035, 5343, 7891, 8905, 9105, 23673, 26715, 39455, 83159, 118365, 249477, 415795, 1081067, 1247385, 3243201, 5405335, 16216005]

約数ペア:

[(1, 16216005), (3, 5405335), (5, 3243201), (13, 1247385), (15, 1081067), (39, 415795), (65, 249477), (137, 118365), (195, 83159), (411, 39455), (607, 26715), (685, 23673), (1781, 9105), (1821, 8905), (2055, 7891), (3035, 5343)]