221517828

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{4651}}^1$

素因数の和:4684

約数の個数: 108

約数和(自身を含む): 675637872

約数和(自身を除く): 454120044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 486, 567, 588, 756, 882, 972, 1134, 1323, 1701, 1764, 2268, 2646, 3402, 3969, 4651, 5292, 6804, 7938, 9302, 11907, 13953, 15876, 18604, 23814, 27906, 32557, 41859, 47628, 55812, 65114, 83718, 97671, 125577, 130228, 167436, 195342, 227899, 251154, 293013, 376731, 390684, 455798, 502308, 586026, 683697, 753462, 879039, 911596, 1130193, 1172052, 1367394, 1506924, 1758078, 2051091, 2260386, 2637117, 2734788, 3516156, 4102182, 4520772, 5274234, 6153273, 7911351, 8204364, 10548468, 12306546, 15822702, 18459819, 24613092, 31645404, 36919638, 55379457, 73839276, 110758914, 221517828]

約数ペア:

[(1, 221517828), (2, 110758914), (3, 73839276), (4, 55379457), (6, 36919638), (7, 31645404), (9, 24613092), (12, 18459819), (14, 15822702), (18, 12306546), (21, 10548468), (27, 8204364), (28, 7911351), (36, 6153273), (42, 5274234), (49, 4520772), (54, 4102182), (63, 3516156), (81, 2734788), (84, 2637117), (98, 2260386), (108, 2051091), (126, 1758078), (147, 1506924), (162, 1367394), (189, 1172052), (196, 1130193), (243, 911596), (252, 879039), (294, 753462), (324, 683697), (378, 586026), (441, 502308), (486, 455798), (567, 390684), (588, 376731), (756, 293013), (882, 251154), (972, 227899), (1134, 195342), (1323, 167436), (1701, 130228), (1764, 125577), (2268, 97671), (2646, 83718), (3402, 65114), (3969, 55812), (4651, 47628), (5292, 41859), (6804, 32557), (7938, 27906), (9302, 23814), (11907, 18604), (13953, 15876)]