16447977

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 31536960

約数和(自身を除く): 15088983

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 151, 171, 247, 273, 399, 441, 453, 637, 741, 819, 931, 1057, 1197, 1359, 1729, 1911, 1963, 2223, 2793, 2869, 3171, 5187, 5733, 5889, 7399, 8379, 8607, 9513, 12103, 13741, 15561, 17667, 20083, 22197, 25821, 36309, 37297, 41223, 60249, 66591, 96187, 108927, 111891, 123669, 140581, 180747, 261079, 288561, 335673, 421743, 783237, 865683, 1265229, 1827553, 2349711, 5482659, 16447977]

約数ペア:

[(1, 16447977), (3, 5482659), (7, 2349711), (9, 1827553), (13, 1265229), (19, 865683), (21, 783237), (39, 421743), (49, 335673), (57, 288561), (63, 261079), (91, 180747), (117, 140581), (133, 123669), (147, 111891), (151, 108927), (171, 96187), (247, 66591), (273, 60249), (399, 41223), (441, 37297), (453, 36309), (637, 25821), (741, 22197), (819, 20083), (931, 17667), (1057, 15561), (1197, 13741), (1359, 12103), (1729, 9513), (1911, 8607), (1963, 8379), (2223, 7399), (2793, 5889), (2869, 5733), (3171, 5187)]