72638577

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 127676640

約数和(自身を除く): 55038063

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 73, 99, 171, 207, 209, 219, 253, 437, 529, 627, 657, 759, 803, 1311, 1387, 1587, 1679, 1881, 2277, 2409, 3933, 4161, 4761, 4807, 5037, 5819, 7227, 10051, 12483, 14421, 15111, 15257, 17457, 18469, 30153, 31901, 38617, 43263, 45771, 52371, 55407, 90459, 95703, 110561, 115851, 137313, 166221, 287109, 331683, 347553, 350911, 424787, 733723, 995049, 1052733, 1274361, 2201169, 3158199, 3823083, 6603507, 8070953, 24212859, 72638577]

約数ペア:

[(1, 72638577), (3, 24212859), (9, 8070953), (11, 6603507), (19, 3823083), (23, 3158199), (33, 2201169), (57, 1274361), (69, 1052733), (73, 995049), (99, 733723), (171, 424787), (207, 350911), (209, 347553), (219, 331683), (253, 287109), (437, 166221), (529, 137313), (627, 115851), (657, 110561), (759, 95703), (803, 90459), (1311, 55407), (1387, 52371), (1587, 45771), (1679, 43263), (1881, 38617), (2277, 31901), (2409, 30153), (3933, 18469), (4161, 17457), (4761, 15257), (4807, 15111), (5037, 14421), (5819, 12483), (7227, 10051)]