31433985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 31307967

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 121, 165, 207, 251, 253, 345, 363, 495, 605, 753, 759, 1035, 1089, 1255, 1265, 1815, 2259, 2277, 2761, 2783, 3765, 3795, 5445, 5773, 8283, 8349, 11295, 11385, 13805, 13915, 17319, 24849, 25047, 28865, 30371, 41415, 41745, 51957, 63503, 86595, 91113, 124245, 125235, 151855, 190509, 259785, 273339, 317515, 455565, 571527, 698533, 952545, 1366695, 2095599, 2857635, 3492665, 6286797, 10477995, 31433985]

約数ペア:

[(1, 31433985), (3, 10477995), (5, 6286797), (9, 3492665), (11, 2857635), (15, 2095599), (23, 1366695), (33, 952545), (45, 698533), (55, 571527), (69, 455565), (99, 317515), (115, 273339), (121, 259785), (165, 190509), (207, 151855), (251, 125235), (253, 124245), (345, 91113), (363, 86595), (495, 63503), (605, 51957), (753, 41745), (759, 41415), (1035, 30371), (1089, 28865), (1255, 25047), (1265, 24849), (1815, 17319), (2259, 13915), (2277, 13805), (2761, 11385), (2783, 11295), (3765, 8349), (3795, 8283), (5445, 5773)]