12156375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 25279488

約数和(自身を除く): 13123113

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 125, 165, 175, 231, 275, 375, 385, 421, 525, 825, 875, 1155, 1263, 1375, 1925, 2105, 2625, 2947, 4125, 4631, 5775, 6315, 8841, 9625, 10525, 13893, 14735, 23155, 28875, 31575, 32417, 44205, 52625, 69465, 73675, 97251, 115775, 157875, 162085, 221025, 347325, 368375, 486255, 578875, 810425, 1105125, 1736625, 2431275, 4052125, 12156375]

約数ペア:

[(1, 12156375), (3, 4052125), (5, 2431275), (7, 1736625), (11, 1105125), (15, 810425), (21, 578875), (25, 486255), (33, 368375), (35, 347325), (55, 221025), (75, 162085), (77, 157875), (105, 115775), (125, 97251), (165, 73675), (175, 69465), (231, 52625), (275, 44205), (375, 32417), (385, 31575), (421, 28875), (525, 23155), (825, 14735), (875, 13893), (1155, 10525), (1263, 9625), (1375, 8841), (1925, 6315), (2105, 5775), (2625, 4631), (2947, 4125)]