299772039

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1999}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 471808000

約数和(自身を除く): 172035961

約数列:

[1, 3, 7, 21, 37, 111, 193, 259, 579, 777, 1351, 1999, 4053, 5997, 7141, 13993, 21423, 41979, 49987, 73963, 149961, 221889, 385807, 517741, 1157421, 1553223, 2700649, 8101947, 14274859, 42824577, 99924013, 299772039]

約数ペア:

[(1, 299772039), (3, 99924013), (7, 42824577), (21, 14274859), (37, 8101947), (111, 2700649), (193, 1553223), (259, 1157421), (579, 517741), (777, 385807), (1351, 221889), (1999, 149961), (4053, 73963), (5997, 49987), (7141, 41979), (13993, 21423)]