72547377

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 117150720

約数和(自身を除く): 44603343

約数列:

[1, 3, 7, 19, 21, 57, 133, 173, 399, 519, 1051, 1211, 3153, 3287, 3633, 7357, 9861, 19969, 22071, 23009, 59907, 69027, 139783, 181823, 419349, 545469, 1272761, 3454637, 3818283, 10363911, 24182459, 72547377]

約数ペア:

[(1, 72547377), (3, 24182459), (7, 10363911), (19, 3818283), (21, 3454637), (57, 1272761), (133, 545469), (173, 419349), (399, 181823), (519, 139783), (1051, 69027), (1211, 59907), (3153, 23009), (3287, 22071), (3633, 19969), (7357, 9861)]