205945245

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13421}}^1$

素因数の和:13474

約数の個数: 48

約数和(自身を含む): 402015744

約数和(自身を除く): 196070499

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 5115, 13421, 15345, 40263, 67105, 120789, 147631, 201315, 416051, 442893, 603945, 738155, 1248153, 1328679, 2080255, 2214465, 3744459, 4576561, 6240765, 6643395, 13729683, 18722295, 22882805, 41189049, 68648415, 205945245]

約数ペア:

[(1, 205945245), (3, 68648415), (5, 41189049), (9, 22882805), (11, 18722295), (15, 13729683), (31, 6643395), (33, 6240765), (45, 4576561), (55, 3744459), (93, 2214465), (99, 2080255), (155, 1328679), (165, 1248153), (279, 738155), (341, 603945), (465, 442893), (495, 416051), (1023, 201315), (1395, 147631), (1705, 120789), (3069, 67105), (5115, 40263), (13421, 15345)]