642961155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{2153}}^1$

素因数の和:2667

約数の個数: 32

約数和(自身を含む): 1055425536

約数和(自身を除く): 412464381

約数列:

[1, 3, 5, 15, 43, 129, 215, 463, 645, 1389, 2153, 2315, 6459, 6945, 10765, 19909, 32295, 59727, 92579, 99545, 277737, 298635, 462895, 996839, 1388685, 2990517, 4984195, 14952585, 42864077, 128592231, 214320385, 642961155]

約数ペア:

[(1, 642961155), (3, 214320385), (5, 128592231), (15, 42864077), (43, 14952585), (129, 4984195), (215, 2990517), (463, 1388685), (645, 996839), (1389, 462895), (2153, 298635), (2315, 277737), (6459, 99545), (6945, 92579), (10765, 59727), (19909, 32295)]