71384445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 143676000

約数和(自身を除く): 72291555

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 289, 495, 499, 561, 765, 867, 935, 1445, 1497, 1683, 2495, 2601, 2805, 3179, 4335, 4491, 5489, 7485, 8415, 8483, 9537, 13005, 15895, 16467, 22455, 25449, 27445, 28611, 42415, 47685, 49401, 76347, 82335, 93313, 127245, 143055, 144211, 247005, 279939, 381735, 432633, 466565, 721055, 839817, 1297899, 1399695, 1586321, 2163165, 4199085, 4758963, 6489495, 7931605, 14276889, 23794815, 71384445]

約数ペア:

[(1, 71384445), (3, 23794815), (5, 14276889), (9, 7931605), (11, 6489495), (15, 4758963), (17, 4199085), (33, 2163165), (45, 1586321), (51, 1399695), (55, 1297899), (85, 839817), (99, 721055), (153, 466565), (165, 432633), (187, 381735), (255, 279939), (289, 247005), (495, 144211), (499, 143055), (561, 127245), (765, 93313), (867, 82335), (935, 76347), (1445, 49401), (1497, 47685), (1683, 42415), (2495, 28611), (2601, 27445), (2805, 25449), (3179, 22455), (4335, 16467), (4491, 15895), (5489, 13005), (7485, 9537), (8415, 8483)]