51282273

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 87296000

約数和(自身を除く): 36013727

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 61, 129, 133, 147, 183, 301, 343, 399, 427, 817, 903, 931, 1029, 1159, 1281, 2107, 2451, 2623, 2793, 2989, 3477, 5719, 6321, 6517, 7869, 8113, 8967, 14749, 17157, 18361, 19551, 20923, 24339, 40033, 44247, 49837, 55083, 56791, 62769, 120099, 128527, 149511, 170373, 280231, 348859, 385581, 397537, 840693, 899689, 1046577, 1192611, 2442013, 2699067, 7326039, 17094091, 51282273]

約数ペア:

[(1, 51282273), (3, 17094091), (7, 7326039), (19, 2699067), (21, 2442013), (43, 1192611), (49, 1046577), (57, 899689), (61, 840693), (129, 397537), (133, 385581), (147, 348859), (183, 280231), (301, 170373), (343, 149511), (399, 128527), (427, 120099), (817, 62769), (903, 56791), (931, 55083), (1029, 49837), (1159, 44247), (1281, 40033), (2107, 24339), (2451, 20923), (2623, 19551), (2793, 18361), (2989, 17157), (3477, 14749), (5719, 8967), (6321, 8113), (6517, 7869)]