209350869

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 369008640

約数和(自身を除く): 159657771

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 79, 91, 119, 221, 237, 273, 357, 553, 571, 663, 1027, 1343, 1547, 1659, 1713, 3081, 3997, 4029, 4641, 7189, 7423, 9401, 9707, 11991, 17459, 21567, 22269, 28203, 29121, 45109, 51961, 52377, 67949, 122213, 126191, 135327, 155883, 203847, 315763, 366639, 378573, 586417, 766853, 883337, 947289, 1759251, 2300559, 2650011, 4104919, 5367971, 9969089, 12314757, 16103913, 29907267, 69783623, 209350869]

約数ペア:

[(1, 209350869), (3, 69783623), (7, 29907267), (13, 16103913), (17, 12314757), (21, 9969089), (39, 5367971), (51, 4104919), (79, 2650011), (91, 2300559), (119, 1759251), (221, 947289), (237, 883337), (273, 766853), (357, 586417), (553, 378573), (571, 366639), (663, 315763), (1027, 203847), (1343, 155883), (1547, 135327), (1659, 126191), (1713, 122213), (3081, 67949), (3997, 52377), (4029, 51961), (4641, 45109), (7189, 29121), (7423, 28203), (9401, 22269), (9707, 21567), (11991, 17459)]