75642819

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 127872000

約数和(自身を除く): 52229181

約数列:

[1, 3, 7, 19, 21, 49, 53, 57, 73, 133, 147, 159, 219, 343, 371, 399, 511, 931, 1007, 1029, 1113, 1387, 1533, 2597, 2793, 3021, 3577, 3869, 4161, 6517, 7049, 7791, 9709, 10731, 11607, 18179, 19551, 21147, 25039, 27083, 29127, 49343, 54537, 67963, 73511, 75117, 81249, 148029, 189581, 203889, 220533, 345401, 475741, 514577, 568743, 1036203, 1327067, 1427223, 1543731, 3602039, 3981201, 10806117, 25214273, 75642819]

約数ペア:

[(1, 75642819), (3, 25214273), (7, 10806117), (19, 3981201), (21, 3602039), (49, 1543731), (53, 1427223), (57, 1327067), (73, 1036203), (133, 568743), (147, 514577), (159, 475741), (219, 345401), (343, 220533), (371, 203889), (399, 189581), (511, 148029), (931, 81249), (1007, 75117), (1029, 73511), (1113, 67963), (1387, 54537), (1533, 49343), (2597, 29127), (2793, 27083), (3021, 25039), (3577, 21147), (3869, 19551), (4161, 18179), (6517, 11607), (7049, 10731), (7791, 9709)]