42798015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 80589600

約数和(自身を除く): 37791585

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 149, 195, 447, 491, 585, 745, 1341, 1473, 1937, 2235, 2455, 4419, 5811, 6383, 6705, 7365, 9685, 17433, 19149, 22095, 29055, 31915, 57447, 73159, 87165, 95745, 219477, 287235, 365795, 658431, 951067, 1097385, 2853201, 3292155, 4755335, 8559603, 14266005, 42798015]

約数ペア:

[(1, 42798015), (3, 14266005), (5, 8559603), (9, 4755335), (13, 3292155), (15, 2853201), (39, 1097385), (45, 951067), (65, 658431), (117, 365795), (149, 287235), (195, 219477), (447, 95745), (491, 87165), (585, 73159), (745, 57447), (1341, 31915), (1473, 29055), (1937, 22095), (2235, 19149), (2455, 17433), (4419, 9685), (5811, 7365), (6383, 6705)]