72684225

素因数分解:

$3^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1531}}^1$

素因数の和:1758

約数の個数: 36

約数和(自身を含む): 130887952

約数和(自身を除く): 58203727

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 211, 225, 633, 1055, 1531, 1899, 3165, 4593, 5275, 7655, 9495, 13779, 15825, 22965, 38275, 47475, 68895, 114825, 323041, 344475, 969123, 1615205, 2907369, 4845615, 8076025, 14536845, 24228075, 72684225]

約数ペア:

[(1, 72684225), (3, 24228075), (5, 14536845), (9, 8076025), (15, 4845615), (25, 2907369), (45, 1615205), (75, 969123), (211, 344475), (225, 323041), (633, 114825), (1055, 68895), (1531, 47475), (1899, 38275), (3165, 22965), (4593, 15825), (5275, 13779), (7655, 9495)]