31049055

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 28463265

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 83, 85, 135, 153, 163, 249, 255, 415, 459, 489, 747, 765, 815, 1245, 1411, 1467, 2241, 2295, 2445, 2771, 3735, 4233, 4401, 7055, 7335, 8313, 11205, 12699, 13529, 13855, 21165, 22005, 24939, 38097, 40587, 41565, 63495, 67645, 74817, 121761, 124695, 190485, 202935, 229993, 365283, 374085, 608805, 689979, 1149965, 1826415, 2069937, 3449895, 6209811, 10349685, 31049055]

約数ペア:

[(1, 31049055), (3, 10349685), (5, 6209811), (9, 3449895), (15, 2069937), (17, 1826415), (27, 1149965), (45, 689979), (51, 608805), (83, 374085), (85, 365283), (135, 229993), (153, 202935), (163, 190485), (249, 124695), (255, 121761), (415, 74817), (459, 67645), (489, 63495), (747, 41565), (765, 40587), (815, 38097), (1245, 24939), (1411, 22005), (1467, 21165), (2241, 13855), (2295, 13529), (2445, 12699), (2771, 11205), (3735, 8313), (4233, 7335), (4401, 7055)]