817498731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{23021}}^1$

素因数の和:23139

約数の個数: 32

約数和(自身を含む): 1326067200

約数和(自身を除く): 508568469

約数列:

[1, 3, 7, 19, 21, 57, 89, 133, 267, 399, 623, 1691, 1869, 5073, 11837, 23021, 35511, 69063, 161147, 437399, 483441, 1312197, 2048869, 3061793, 6146607, 9185379, 14342083, 38928511, 43026249, 116785533, 272499577, 817498731]

約数ペア:

[(1, 817498731), (3, 272499577), (7, 116785533), (19, 43026249), (21, 38928511), (57, 14342083), (89, 9185379), (133, 6146607), (267, 3061793), (399, 2048869), (623, 1312197), (1691, 483441), (1869, 437399), (5073, 161147), (11837, 69063), (23021, 35511)]