31770375

素因数分解:

$3^1\times 5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 69888000

約数和(自身を除く): 38117625

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 49, 57, 65, 75, 91, 95, 105, 125, 133, 147, 175, 195, 245, 247, 273, 285, 325, 343, 375, 399, 455, 475, 525, 637, 665, 735, 741, 875, 931, 975, 1029, 1225, 1235, 1365, 1425, 1625, 1715, 1729, 1911, 1995, 2275, 2375, 2625, 2793, 3185, 3325, 3675, 3705, 4459, 4655, 4875, 5145, 5187, 6125, 6175, 6517, 6825, 7125, 8575, 8645, 9555, 9975, 11375, 12103, 13377, 13965, 15925, 16625, 18375, 18525, 19551, 22295, 23275, 25725, 25935, 30875, 32585, 34125, 36309, 42875, 43225, 47775, 49875, 60515, 66885, 69825, 79625, 84721, 92625, 97755, 111475, 116375, 128625, 129675, 162925, 181545, 216125, 238875, 254163, 302575, 334425, 349125, 423605, 488775, 557375, 648375, 814625, 907725, 1270815, 1512875, 1672125, 2118025, 2443875, 4538625, 6354075, 10590125, 31770375]

約数ペア:

[(1, 31770375), (3, 10590125), (5, 6354075), (7, 4538625), (13, 2443875), (15, 2118025), (19, 1672125), (21, 1512875), (25, 1270815), (35, 907725), (39, 814625), (49, 648375), (57, 557375), (65, 488775), (75, 423605), (91, 349125), (95, 334425), (105, 302575), (125, 254163), (133, 238875), (147, 216125), (175, 181545), (195, 162925), (245, 129675), (247, 128625), (273, 116375), (285, 111475), (325, 97755), (343, 92625), (375, 84721), (399, 79625), (455, 69825), (475, 66885), (525, 60515), (637, 49875), (665, 47775), (735, 43225), (741, 42875), (875, 36309), (931, 34125), (975, 32585), (1029, 30875), (1225, 25935), (1235, 25725), (1365, 23275), (1425, 22295), (1625, 19551), (1715, 18525), (1729, 18375), (1911, 16625), (1995, 15925), (2275, 13965), (2375, 13377), (2625, 12103), (2793, 11375), (3185, 9975), (3325, 9555), (3675, 8645), (3705, 8575), (4459, 7125), (4655, 6825), (4875, 6517), (5145, 6175), (5187, 6125)]