1021356

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{193}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 3096240

約数和(自身を除く): 2074884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 193, 196, 252, 294, 378, 386, 441, 579, 588, 756, 772, 882, 1158, 1323, 1351, 1737, 1764, 2316, 2646, 2702, 3474, 4053, 5211, 5292, 5404, 6948, 8106, 9457, 10422, 12159, 16212, 18914, 20844, 24318, 28371, 36477, 37828, 48636, 56742, 72954, 85113, 113484, 145908, 170226, 255339, 340452, 510678, 1021356]

約数ペア:

[(1, 1021356), (2, 510678), (3, 340452), (4, 255339), (6, 170226), (7, 145908), (9, 113484), (12, 85113), (14, 72954), (18, 56742), (21, 48636), (27, 37828), (28, 36477), (36, 28371), (42, 24318), (49, 20844), (54, 18914), (63, 16212), (84, 12159), (98, 10422), (108, 9457), (126, 8106), (147, 6948), (189, 5404), (193, 5292), (196, 5211), (252, 4053), (294, 3474), (378, 2702), (386, 2646), (441, 2316), (579, 1764), (588, 1737), (756, 1351), (772, 1323), (882, 1158)]