31887081

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 49430400

約数和(自身を除く): 17543319

約数列:

[1, 3, 9, 27, 37, 59, 111, 177, 333, 531, 541, 999, 1593, 1623, 2183, 4869, 6549, 14607, 19647, 20017, 31919, 58941, 60051, 95757, 180153, 287271, 540459, 861813, 1181003, 3543009, 10629027, 31887081]

約数ペア:

[(1, 31887081), (3, 10629027), (9, 3543009), (27, 1181003), (37, 861813), (59, 540459), (111, 287271), (177, 180153), (333, 95757), (531, 60051), (541, 58941), (999, 31919), (1593, 20017), (1623, 19647), (2183, 14607), (4869, 6549)]