72991179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 114470400

約数和(自身を除く): 41479221

約数列:

[1, 3, 9, 19, 27, 57, 171, 263, 513, 541, 789, 1623, 2367, 4869, 4997, 7101, 10279, 14607, 14991, 30837, 44973, 92511, 134919, 142283, 277533, 426849, 1280547, 2703377, 3841641, 8110131, 24330393, 72991179]

約数ペア:

[(1, 72991179), (3, 24330393), (9, 8110131), (19, 3841641), (27, 2703377), (57, 1280547), (171, 426849), (263, 277533), (513, 142283), (541, 134919), (789, 92511), (1623, 44973), (2367, 30837), (4869, 14991), (4997, 14607), (7101, 10279)]