71642907

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16481}}^1$

素因数の和:16520

約数の個数: 32

約数和(自身を含む): 126581760

約数和(自身を除く): 54938853

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 16481, 49443, 115367, 148329, 346101, 379063, 444987, 1038303, 1137189, 2653441, 3114909, 3411567, 7960323, 10234701, 23880969, 71642907]

約数ペア:

[(1, 71642907), (3, 23880969), (7, 10234701), (9, 7960323), (21, 3411567), (23, 3114909), (27, 2653441), (63, 1137189), (69, 1038303), (161, 444987), (189, 379063), (207, 346101), (483, 148329), (621, 115367), (1449, 49443), (4347, 16481)]