2128995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 4481568

約数和(自身を除く): 2352573

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 33, 45, 51, 55, 69, 85, 99, 115, 121, 153, 165, 187, 207, 253, 255, 345, 363, 391, 495, 561, 605, 759, 765, 935, 1035, 1089, 1173, 1265, 1683, 1815, 1955, 2057, 2277, 2783, 2805, 3519, 3795, 4301, 5445, 5865, 6171, 8349, 8415, 10285, 11385, 12903, 13915, 17595, 18513, 21505, 25047, 30855, 38709, 41745, 47311, 64515, 92565, 125235, 141933, 193545, 236555, 425799, 709665, 2128995]

約数ペア:

[(1, 2128995), (3, 709665), (5, 425799), (9, 236555), (11, 193545), (15, 141933), (17, 125235), (23, 92565), (33, 64515), (45, 47311), (51, 41745), (55, 38709), (69, 30855), (85, 25047), (99, 21505), (115, 18513), (121, 17595), (153, 13915), (165, 12903), (187, 11385), (207, 10285), (253, 8415), (255, 8349), (345, 6171), (363, 5865), (391, 5445), (495, 4301), (561, 3795), (605, 3519), (759, 2805), (765, 2783), (935, 2277), (1035, 2057), (1089, 1955), (1173, 1815), (1265, 1683)]