159341721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 276197376

約数和(自身を除く): 116855655

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 103, 111, 181, 231, 259, 309, 407, 543, 721, 777, 1133, 1221, 1267, 1991, 2163, 2849, 3399, 3801, 3811, 5973, 6697, 7931, 8547, 11433, 13937, 18643, 20091, 23793, 26677, 41811, 41921, 46879, 55929, 73667, 80031, 125763, 130501, 140637, 205073, 221001, 293447, 391503, 515669, 615219, 689791, 880341, 1435511, 1547007, 2069373, 4306533, 4828537, 7587701, 14485611, 22763103, 53113907, 159341721]

約数ペア:

[(1, 159341721), (3, 53113907), (7, 22763103), (11, 14485611), (21, 7587701), (33, 4828537), (37, 4306533), (77, 2069373), (103, 1547007), (111, 1435511), (181, 880341), (231, 689791), (259, 615219), (309, 515669), (407, 391503), (543, 293447), (721, 221001), (777, 205073), (1133, 140637), (1221, 130501), (1267, 125763), (1991, 80031), (2163, 73667), (2849, 55929), (3399, 46879), (3801, 41921), (3811, 41811), (5973, 26677), (6697, 23793), (7931, 20091), (8547, 18643), (11433, 13937)]