72278679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6781}}^1$

素因数の和:6831

約数の個数: 32

約数和(自身を含む): 117192960

約数和(自身を除く): 44914281

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 6781, 10659, 20343, 74591, 115277, 128839, 223773, 345831, 386517, 1268047, 1417229, 2190263, 3804141, 4251687, 6570789, 24092893, 72278679]

約数ペア:

[(1, 72278679), (3, 24092893), (11, 6570789), (17, 4251687), (19, 3804141), (33, 2190263), (51, 1417229), (57, 1268047), (187, 386517), (209, 345831), (323, 223773), (561, 128839), (627, 115277), (969, 74591), (3553, 20343), (6781, 10659)]