68938365

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 120700800

約数和(自身を除く): 51762435

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 361, 435, 439, 551, 1083, 1317, 1653, 1805, 2195, 2755, 5415, 6585, 8265, 8341, 10469, 12731, 25023, 31407, 38193, 41705, 52345, 63655, 125115, 157035, 158479, 190965, 241889, 475437, 725667, 792395, 1209445, 2377185, 3628335, 4595891, 13787673, 22979455, 68938365]

約数ペア:

[(1, 68938365), (3, 22979455), (5, 13787673), (15, 4595891), (19, 3628335), (29, 2377185), (57, 1209445), (87, 792395), (95, 725667), (145, 475437), (285, 241889), (361, 190965), (435, 158479), (439, 157035), (551, 125115), (1083, 63655), (1317, 52345), (1653, 41705), (1805, 38193), (2195, 31407), (2755, 25023), (5415, 12731), (6585, 10469), (8265, 8341)]