61781454

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 120

約数和(自身を含む): 165693528

約数和(自身を除く): 103912074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 49, 54, 63, 81, 86, 98, 126, 129, 147, 162, 181, 189, 258, 294, 301, 362, 378, 387, 441, 543, 567, 602, 774, 882, 903, 1086, 1134, 1161, 1267, 1323, 1629, 1806, 2107, 2322, 2534, 2646, 2709, 3258, 3483, 3801, 3969, 4214, 4887, 5418, 6321, 6966, 7602, 7783, 7938, 8127, 8869, 9774, 11403, 12642, 14661, 15566, 16254, 17738, 18963, 22806, 23349, 24381, 26607, 29322, 34209, 37926, 46698, 48762, 53214, 54481, 56889, 68418, 70047, 79821, 102627, 108962, 113778, 140094, 159642, 163443, 170667, 205254, 210141, 239463, 326886, 341334, 381367, 420282, 478926, 490329, 630423, 718389, 762734, 980658, 1144101, 1260846, 1436778, 1470987, 2288202, 2941974, 3432303, 4412961, 6864606, 8825922, 10296909, 20593818, 30890727, 61781454]

約数ペア:

[(1, 61781454), (2, 30890727), (3, 20593818), (6, 10296909), (7, 8825922), (9, 6864606), (14, 4412961), (18, 3432303), (21, 2941974), (27, 2288202), (42, 1470987), (43, 1436778), (49, 1260846), (54, 1144101), (63, 980658), (81, 762734), (86, 718389), (98, 630423), (126, 490329), (129, 478926), (147, 420282), (162, 381367), (181, 341334), (189, 326886), (258, 239463), (294, 210141), (301, 205254), (362, 170667), (378, 163443), (387, 159642), (441, 140094), (543, 113778), (567, 108962), (602, 102627), (774, 79821), (882, 70047), (903, 68418), (1086, 56889), (1134, 54481), (1161, 53214), (1267, 48762), (1323, 46698), (1629, 37926), (1806, 34209), (2107, 29322), (2322, 26607), (2534, 24381), (2646, 23349), (2709, 22806), (3258, 18963), (3483, 17738), (3801, 16254), (3969, 15566), (4214, 14661), (4887, 12642), (5418, 11403), (6321, 9774), (6966, 8869), (7602, 8127), (7783, 7938)]