89720379

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2101

約数の個数: 40

約数和(自身を含む): 155189760

約数和(自身を除く): 65469381

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1659, 2003, 2133, 4977, 6009, 6399, 14021, 14931, 18027, 42063, 44793, 54081, 126189, 158237, 162243, 378567, 474711, 1107659, 1135701, 1424133, 3322977, 4272399, 9968931, 12817197, 29906793, 89720379]

約数ペア:

[(1, 89720379), (3, 29906793), (7, 12817197), (9, 9968931), (21, 4272399), (27, 3322977), (63, 1424133), (79, 1135701), (81, 1107659), (189, 474711), (237, 378567), (553, 162243), (567, 158237), (711, 126189), (1659, 54081), (2003, 44793), (2133, 42063), (4977, 18027), (6009, 14931), (6399, 14021)]