154490985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 311842440

約数和(自身を除く): 157351455

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 363, 495, 561, 605, 765, 935, 1089, 1669, 1683, 1815, 2057, 2805, 5007, 5445, 6171, 8345, 8415, 10285, 15021, 18359, 18513, 25035, 28373, 30855, 55077, 75105, 85119, 91795, 92565, 141865, 165231, 201949, 255357, 275385, 312103, 425595, 605847, 826155, 936309, 1009745, 1276785, 1560515, 1817541, 2808927, 3029235, 3433133, 4681545, 9087705, 10299399, 14044635, 17165665, 30898197, 51496995, 154490985]

約数ペア:

[(1, 154490985), (3, 51496995), (5, 30898197), (9, 17165665), (11, 14044635), (15, 10299399), (17, 9087705), (33, 4681545), (45, 3433133), (51, 3029235), (55, 2808927), (85, 1817541), (99, 1560515), (121, 1276785), (153, 1009745), (165, 936309), (187, 826155), (255, 605847), (363, 425595), (495, 312103), (561, 275385), (605, 255357), (765, 201949), (935, 165231), (1089, 141865), (1669, 92565), (1683, 91795), (1815, 85119), (2057, 75105), (2805, 55077), (5007, 30855), (5445, 28373), (6171, 25035), (8345, 18513), (8415, 18359), (10285, 15021)]