30030021

素因数分解:

$3^4\times 7^1\times {\mathrm{52963}}^1$

素因数の和:52982

約数の個数: 20

約数和(自身を含む): 51269152

約数和(自身を除く): 21239131

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 52963, 158889, 370741, 476667, 1112223, 1430001, 3336669, 4290003, 10010007, 30030021]

約数ペア:

[(1, 30030021), (3, 10010007), (7, 4290003), (9, 3336669), (21, 1430001), (27, 1112223), (63, 476667), (81, 370741), (189, 158889), (567, 52963)]