31967541

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 51110400

約数和(自身を除く): 19142859

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 261, 279, 439, 783, 837, 899, 1317, 2349, 2511, 2697, 3951, 8091, 11853, 12731, 13609, 24273, 35559, 38193, 40827, 72819, 114579, 122481, 343737, 367443, 394661, 1031211, 1102329, 1183983, 3551949, 10655847, 31967541]

約数ペア:

[(1, 31967541), (3, 10655847), (9, 3551949), (27, 1183983), (29, 1102329), (31, 1031211), (81, 394661), (87, 367443), (93, 343737), (261, 122481), (279, 114579), (439, 72819), (783, 40827), (837, 38193), (899, 35559), (1317, 24273), (2349, 13609), (2511, 12731), (2697, 11853), (3951, 8091)]