72920547

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8209}}^1$

素因数の和:8272

約数の個数: 32

約数和(自身を含む): 126105600

約数和(自身を除く): 53185053

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8209, 8883, 24627, 57463, 73881, 172389, 221643, 385823, 517167, 1157469, 1551501, 2700761, 3472407, 8102283, 10417221, 24306849, 72920547]

約数ペア:

[(1, 72920547), (3, 24306849), (7, 10417221), (9, 8102283), (21, 3472407), (27, 2700761), (47, 1551501), (63, 1157469), (141, 517167), (189, 385823), (329, 221643), (423, 172389), (987, 73881), (1269, 57463), (2961, 24627), (8209, 8883)]