72609831

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2447}}^1$

素因数の和:2620

約数の個数: 32

約数和(自身を含む): 123770880

約数和(自身を除く): 51161049

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 2447, 3297, 4239, 7341, 9891, 17129, 22023, 29673, 51387, 66069, 154161, 384179, 462483, 1152537, 2689253, 3457611, 8067759, 10372833, 24203277, 72609831]

約数ペア:

[(1, 72609831), (3, 24203277), (7, 10372833), (9, 8067759), (21, 3457611), (27, 2689253), (63, 1152537), (157, 462483), (189, 384179), (471, 154161), (1099, 66069), (1413, 51387), (2447, 29673), (3297, 22023), (4239, 17129), (7341, 9891)]