72183717

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 125452800

約数和(自身を除く): 53269083

約数列:

[1, 3, 9, 17, 19, 27, 31, 51, 57, 81, 89, 93, 153, 171, 267, 279, 323, 459, 513, 527, 589, 801, 837, 969, 1377, 1513, 1539, 1581, 1691, 1767, 2403, 2511, 2759, 2907, 4539, 4743, 5073, 5301, 7209, 8277, 8721, 10013, 13617, 14229, 15219, 15903, 24831, 26163, 28747, 30039, 40851, 42687, 45657, 46903, 47709, 52421, 74493, 86241, 90117, 122553, 136971, 140709, 157263, 223479, 258723, 270351, 422127, 471789, 776169, 811053, 891157, 1266381, 1415367, 2328507, 2673471, 3799143, 4246101, 8020413, 24061239, 72183717]

約数ペア:

[(1, 72183717), (3, 24061239), (9, 8020413), (17, 4246101), (19, 3799143), (27, 2673471), (31, 2328507), (51, 1415367), (57, 1266381), (81, 891157), (89, 811053), (93, 776169), (153, 471789), (171, 422127), (267, 270351), (279, 258723), (323, 223479), (459, 157263), (513, 140709), (527, 136971), (589, 122553), (801, 90117), (837, 86241), (969, 74493), (1377, 52421), (1513, 47709), (1539, 46903), (1581, 45657), (1691, 42687), (1767, 40851), (2403, 30039), (2511, 28747), (2759, 26163), (2907, 24831), (4539, 15903), (4743, 15219), (5073, 14229), (5301, 13617), (7209, 10013), (8277, 8721)]