2019674979

素因数分解:

$3^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5557}}^1$

素因数の和:6217

約数の個数: 40

約数和(自身を含む): 3454052448

約数和(自身を除く): 1434377469

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 641, 1923, 4487, 5557, 5769, 13461, 16671, 17307, 38899, 40383, 50013, 51921, 116697, 121149, 150039, 350091, 363447, 450117, 1050273, 3150819, 3562037, 10686111, 24934259, 32058333, 74802777, 96174999, 224408331, 288524997, 673224993, 2019674979]

約数ペア:

[(1, 2019674979), (3, 673224993), (7, 288524997), (9, 224408331), (21, 96174999), (27, 74802777), (63, 32058333), (81, 24934259), (189, 10686111), (567, 3562037), (641, 3150819), (1923, 1050273), (4487, 450117), (5557, 363447), (5769, 350091), (13461, 150039), (16671, 121149), (17307, 116697), (38899, 51921), (40383, 50013)]