84920025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2591}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 154275840

約数和(自身を除く): 69355815

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 2591, 6555, 7773, 10925, 12955, 32775, 38865, 49229, 59593, 64775, 147687, 178779, 194325, 246145, 297965, 738435, 893895, 1132267, 1230725, 1489825, 3396801, 3692175, 4469475, 5661335, 16984005, 28306675, 84920025]

約数ペア:

[(1, 84920025), (3, 28306675), (5, 16984005), (15, 5661335), (19, 4469475), (23, 3692175), (25, 3396801), (57, 1489825), (69, 1230725), (75, 1132267), (95, 893895), (115, 738435), (285, 297965), (345, 246145), (437, 194325), (475, 178779), (575, 147687), (1311, 64775), (1425, 59593), (1725, 49229), (2185, 38865), (2591, 32775), (6555, 12955), (7773, 10925)]