212979585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4217}}^1$

素因数の和:4282

約数の個数: 64

約数和(自身を含む): 430843392

約数和(自身を除く): 217863807

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 65, 91, 105, 111, 185, 195, 259, 273, 455, 481, 555, 777, 1295, 1365, 1443, 2405, 3367, 3885, 4217, 7215, 10101, 12651, 16835, 21085, 29519, 50505, 54821, 63255, 88557, 147595, 156029, 164463, 274105, 383747, 442785, 468087, 780145, 822315, 1092203, 1151241, 1918735, 2028377, 2340435, 3276609, 5461015, 5756205, 6085131, 10141885, 14198639, 16383045, 30425655, 42595917, 70993195, 212979585]

約数ペア:

[(1, 212979585), (3, 70993195), (5, 42595917), (7, 30425655), (13, 16383045), (15, 14198639), (21, 10141885), (35, 6085131), (37, 5756205), (39, 5461015), (65, 3276609), (91, 2340435), (105, 2028377), (111, 1918735), (185, 1151241), (195, 1092203), (259, 822315), (273, 780145), (455, 468087), (481, 442785), (555, 383747), (777, 274105), (1295, 164463), (1365, 156029), (1443, 147595), (2405, 88557), (3367, 63255), (3885, 54821), (4217, 50505), (7215, 29519), (10101, 21085), (12651, 16835)]