28542405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 48708864

約数和(自身を除く): 20166459

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 519, 647, 865, 1941, 2595, 2941, 3235, 8823, 9705, 10999, 14705, 32997, 44115, 54995, 111931, 164985, 335793, 559655, 1678965, 1902827, 5708481, 9514135, 28542405]

約数ペア:

[(1, 28542405), (3, 9514135), (5, 5708481), (15, 1902827), (17, 1678965), (51, 559655), (85, 335793), (173, 164985), (255, 111931), (519, 54995), (647, 44115), (865, 32997), (1941, 14705), (2595, 10999), (2941, 9705), (3235, 8823)]