72072801

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1109}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 111888000

約数和(自身を除く): 39815199

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 747, 783, 1109, 2241, 2407, 3327, 7221, 9981, 21663, 29943, 32161, 64989, 92047, 96483, 276141, 289449, 828423, 868347, 2485269, 2669363, 8008089, 24024267, 72072801]

約数ペア:

[(1, 72072801), (3, 24024267), (9, 8008089), (27, 2669363), (29, 2485269), (83, 868347), (87, 828423), (249, 289449), (261, 276141), (747, 96483), (783, 92047), (1109, 64989), (2241, 32161), (2407, 29943), (3327, 21663), (7221, 9981)]