291278547

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 492324352

約数和(自身を除く): 201045805

約数列:

[1, 3, 7, 9, 21, 63, 67, 151, 201, 453, 457, 469, 603, 1057, 1359, 1371, 1407, 3171, 3199, 4113, 4221, 9513, 9597, 10117, 28791, 30351, 30619, 69007, 70819, 91053, 91857, 207021, 212457, 214333, 275571, 483049, 621063, 637371, 642999, 1449147, 1928997, 4347441, 4623469, 13870407, 32364283, 41611221, 97092849, 291278547]

約数ペア:

[(1, 291278547), (3, 97092849), (7, 41611221), (9, 32364283), (21, 13870407), (63, 4623469), (67, 4347441), (151, 1928997), (201, 1449147), (453, 642999), (457, 637371), (469, 621063), (603, 483049), (1057, 275571), (1359, 214333), (1371, 212457), (1407, 207021), (3171, 91857), (3199, 91053), (4113, 70819), (4221, 69007), (9513, 30619), (9597, 30351), (10117, 28791)]