38916855

素因数分解:

$3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 70212912

約数和(自身を除く): 31296057

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 307, 313, 405, 921, 939, 1535, 1565, 2763, 2817, 4605, 4695, 8289, 8451, 13815, 14085, 24867, 25353, 41445, 42255, 96091, 124335, 126765, 288273, 480455, 864819, 1441365, 2594457, 4324095, 7783371, 12972285, 38916855]

約数ペア:

[(1, 38916855), (3, 12972285), (5, 7783371), (9, 4324095), (15, 2594457), (27, 1441365), (45, 864819), (81, 480455), (135, 288273), (307, 126765), (313, 124335), (405, 96091), (921, 42255), (939, 41445), (1535, 25353), (1565, 24867), (2763, 14085), (2817, 13815), (4605, 8451), (4695, 8289)]