249887085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 473831424

約数和(自身を除く): 223944339

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 131, 185, 259, 393, 491, 555, 655, 777, 917, 1295, 1473, 1965, 2455, 2751, 3437, 3885, 4585, 4847, 7365, 10311, 13755, 14541, 17185, 18167, 24235, 33929, 51555, 54501, 64321, 72705, 90835, 101787, 127169, 169645, 192963, 272505, 321605, 381507, 450247, 508935, 635845, 964815, 1350741, 1907535, 2251235, 2379877, 6753705, 7139631, 11899385, 16659139, 35698155, 49977417, 83295695, 249887085]

約数ペア:

[(1, 249887085), (3, 83295695), (5, 49977417), (7, 35698155), (15, 16659139), (21, 11899385), (35, 7139631), (37, 6753705), (105, 2379877), (111, 2251235), (131, 1907535), (185, 1350741), (259, 964815), (393, 635845), (491, 508935), (555, 450247), (655, 381507), (777, 321605), (917, 272505), (1295, 192963), (1473, 169645), (1965, 127169), (2455, 101787), (2751, 90835), (3437, 72705), (3885, 64321), (4585, 54501), (4847, 51555), (7365, 33929), (10311, 24235), (13755, 18167), (14541, 17185)]