27818205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 49066560

約数和(自身を除く): 21248355

約数列:

[1, 3, 5, 15, 17, 43, 51, 59, 85, 129, 177, 215, 255, 295, 645, 731, 885, 1003, 1849, 2193, 2537, 3009, 3655, 5015, 5547, 7611, 9245, 10965, 12685, 15045, 27735, 31433, 38055, 43129, 94299, 109091, 129387, 157165, 215645, 327273, 471495, 545455, 646935, 1636365, 1854547, 5563641, 9272735, 27818205]

約数ペア:

[(1, 27818205), (3, 9272735), (5, 5563641), (15, 1854547), (17, 1636365), (43, 646935), (51, 545455), (59, 471495), (85, 327273), (129, 215645), (177, 157165), (215, 129387), (255, 109091), (295, 94299), (645, 43129), (731, 38055), (885, 31433), (1003, 27735), (1849, 15045), (2193, 12685), (2537, 10965), (3009, 9245), (3655, 7611), (5015, 5547)]