17960355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 38697984

約数和(自身を除く): 20737629

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 37, 45, 63, 67, 69, 105, 111, 115, 161, 185, 201, 207, 259, 315, 333, 335, 345, 469, 483, 555, 603, 777, 805, 851, 1005, 1035, 1295, 1407, 1449, 1541, 1665, 2331, 2345, 2415, 2479, 2553, 3015, 3885, 4221, 4255, 4623, 5957, 7035, 7245, 7437, 7659, 7705, 10787, 11655, 12395, 12765, 13869, 17353, 17871, 21105, 22311, 23115, 29785, 32361, 37185, 38295, 52059, 53613, 53935, 57017, 69345, 86765, 89355, 97083, 111555, 156177, 161805, 171051, 260295, 268065, 285085, 399119, 485415, 513153, 780885, 855255, 1197357, 1995595, 2565765, 3592071, 5986785, 17960355]

約数ペア:

[(1, 17960355), (3, 5986785), (5, 3592071), (7, 2565765), (9, 1995595), (15, 1197357), (21, 855255), (23, 780885), (35, 513153), (37, 485415), (45, 399119), (63, 285085), (67, 268065), (69, 260295), (105, 171051), (111, 161805), (115, 156177), (161, 111555), (185, 97083), (201, 89355), (207, 86765), (259, 69345), (315, 57017), (333, 53935), (335, 53613), (345, 52059), (469, 38295), (483, 37185), (555, 32361), (603, 29785), (777, 23115), (805, 22311), (851, 21105), (1005, 17871), (1035, 17353), (1295, 13869), (1407, 12765), (1449, 12395), (1541, 11655), (1665, 10787), (2331, 7705), (2345, 7659), (2415, 7437), (2479, 7245), (2553, 7035), (3015, 5957), (3885, 4623), (4221, 4255)]