218998773

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{23021}}^1$

素因数の和:23185

約数の個数: 24

約数和(自身を含む): 363931776

約数和(自身を除く): 144933003

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3171, 9513, 23021, 69063, 161147, 207189, 483441, 1450323, 3476171, 10428513, 24333197, 31285539, 72999591, 218998773]

約数ペア:

[(1, 218998773), (3, 72999591), (7, 31285539), (9, 24333197), (21, 10428513), (63, 3476171), (151, 1450323), (453, 483441), (1057, 207189), (1359, 161147), (3171, 69063), (9513, 23021)]