180747

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 316160

約数和(自身を除く): 135413

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 151, 171, 399, 453, 1057, 1197, 1359, 2869, 3171, 8607, 9513, 20083, 25821, 60249, 180747]

約数ペア:

[(1, 180747), (3, 60249), (7, 25821), (9, 20083), (19, 9513), (21, 8607), (57, 3171), (63, 2869), (133, 1359), (151, 1197), (171, 1057), (399, 453)]