1551116511

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 2689047504

約数和(自身を除く): 1137930993

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 157, 301, 387, 441, 471, 521, 903, 1099, 1413, 1563, 2107, 2709, 3297, 3647, 4689, 6321, 6751, 7693, 9891, 10941, 18963, 20253, 22403, 23079, 25529, 32823, 47257, 60759, 67209, 69237, 76587, 81797, 141771, 156821, 201627, 229761, 245391, 330799, 425313, 470463, 572579, 736173, 992397, 1097747, 1411389, 1717737, 2977191, 3293241, 3517271, 4008053, 5153211, 9879723, 10551813, 12024159, 24620897, 31655439, 36072477, 73862691, 172346279, 221588073, 517038837, 1551116511]

約数ペア:

[(1, 1551116511), (3, 517038837), (7, 221588073), (9, 172346279), (21, 73862691), (43, 36072477), (49, 31655439), (63, 24620897), (129, 12024159), (147, 10551813), (157, 9879723), (301, 5153211), (387, 4008053), (441, 3517271), (471, 3293241), (521, 2977191), (903, 1717737), (1099, 1411389), (1413, 1097747), (1563, 992397), (2107, 736173), (2709, 572579), (3297, 470463), (3647, 425313), (4689, 330799), (6321, 245391), (6751, 229761), (7693, 201627), (9891, 156821), (10941, 141771), (18963, 81797), (20253, 76587), (22403, 69237), (23079, 67209), (25529, 60759), (32823, 47257)]