71782431

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 112831488

約数和(自身を除く): 41049057

約数列:

[1, 3, 7, 21, 41, 123, 263, 287, 317, 789, 861, 951, 1841, 2219, 5523, 6657, 10783, 12997, 32349, 38991, 75481, 83371, 90979, 226443, 250113, 272937, 583597, 1750791, 3418211, 10254633, 23927477, 71782431]

約数ペア:

[(1, 71782431), (3, 23927477), (7, 10254633), (21, 3418211), (41, 1750791), (123, 583597), (263, 272937), (287, 250113), (317, 226443), (789, 90979), (861, 83371), (951, 75481), (1841, 38991), (2219, 32349), (5523, 12997), (6657, 10783)]