81726435

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 167270400

約数和(自身を除く): 85543965

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 197, 315, 439, 591, 945, 985, 1317, 1379, 1773, 2195, 2955, 3073, 3951, 4137, 5319, 6585, 6895, 8865, 9219, 11853, 12411, 15365, 19755, 20685, 26595, 27657, 37233, 46095, 59265, 62055, 82971, 86483, 138285, 186165, 259449, 414855, 432415, 605381, 778347, 1297245, 1816143, 2335041, 3026905, 3891735, 5448429, 9080715, 11675205, 16345287, 27242145, 81726435]

約数ペア:

[(1, 81726435), (3, 27242145), (5, 16345287), (7, 11675205), (9, 9080715), (15, 5448429), (21, 3891735), (27, 3026905), (35, 2335041), (45, 1816143), (63, 1297245), (105, 778347), (135, 605381), (189, 432415), (197, 414855), (315, 259449), (439, 186165), (591, 138285), (945, 86483), (985, 82971), (1317, 62055), (1379, 59265), (1773, 46095), (2195, 37233), (2955, 27657), (3073, 26595), (3951, 20685), (4137, 19755), (5319, 15365), (6585, 12411), (6895, 11853), (8865, 9219)]