74783235

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 129583872

約数和(自身を除く): 54800637

約数列:

[1, 3, 5, 15, 23, 43, 69, 71, 115, 129, 213, 215, 345, 355, 645, 989, 1065, 1633, 2967, 3053, 4899, 4945, 5041, 8165, 9159, 14835, 15123, 15265, 24495, 25205, 45795, 70219, 75615, 115943, 210657, 216763, 347829, 351095, 579715, 650289, 1053285, 1083815, 1739145, 3251445, 4985549, 14956647, 24927745, 74783235]

約数ペア:

[(1, 74783235), (3, 24927745), (5, 14956647), (15, 4985549), (23, 3251445), (43, 1739145), (69, 1083815), (71, 1053285), (115, 650289), (129, 579715), (213, 351095), (215, 347829), (345, 216763), (355, 210657), (645, 115943), (989, 75615), (1065, 70219), (1633, 45795), (2967, 25205), (3053, 24495), (4899, 15265), (4945, 15123), (5041, 14835), (8165, 9159)]