56215395

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1777}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 105399840

約数和(自身を除く): 49184445

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 1665, 1777, 2109, 3515, 5331, 6327, 8885, 10545, 15993, 26655, 31635, 33763, 65749, 79965, 101289, 168815, 197247, 303867, 328745, 506445, 591741, 986235, 1249231, 1519335, 2958705, 3747693, 6246155, 11243079, 18738465, 56215395]

約数ペア:

[(1, 56215395), (3, 18738465), (5, 11243079), (9, 6246155), (15, 3747693), (19, 2958705), (37, 1519335), (45, 1249231), (57, 986235), (95, 591741), (111, 506445), (171, 328745), (185, 303867), (285, 197247), (333, 168815), (555, 101289), (703, 79965), (855, 65749), (1665, 33763), (1777, 31635), (2109, 26655), (3515, 15993), (5331, 10545), (6327, 8885)]