68105775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 117804960

約数和(自身を除く): 49699185

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 173, 181, 435, 519, 543, 725, 865, 905, 2175, 2595, 2715, 4325, 4525, 5017, 5249, 12975, 13575, 15051, 15747, 25085, 26245, 31313, 75255, 78735, 93939, 125425, 131225, 156565, 376275, 393675, 469695, 782825, 908077, 2348475, 2724231, 4540385, 13621155, 22701925, 68105775]

約数ペア:

[(1, 68105775), (3, 22701925), (5, 13621155), (15, 4540385), (25, 2724231), (29, 2348475), (75, 908077), (87, 782825), (145, 469695), (173, 393675), (181, 376275), (435, 156565), (519, 131225), (543, 125425), (725, 93939), (865, 78735), (905, 75255), (2175, 31313), (2595, 26245), (2715, 25085), (4325, 15747), (4525, 15051), (5017, 13575), (5249, 12975)]