28682955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 61461504

約数和(自身を除く): 32778549

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 37, 45, 63, 69, 105, 107, 111, 115, 161, 185, 207, 259, 315, 321, 333, 345, 483, 535, 555, 749, 777, 805, 851, 963, 1035, 1295, 1449, 1605, 1665, 2247, 2331, 2415, 2461, 2553, 3745, 3885, 3959, 4255, 4815, 5957, 6741, 7245, 7383, 7659, 11235, 11655, 11877, 12305, 12765, 17227, 17871, 19795, 22149, 27713, 29785, 33705, 35631, 36915, 38295, 51681, 53613, 59385, 83139, 86135, 89355, 91057, 110745, 138565, 155043, 178155, 249417, 258405, 268065, 273171, 415695, 455285, 637399, 775215, 819513, 1247085, 1365855, 1912197, 3186995, 4097565, 5736591, 9560985, 28682955]

約数ペア:

[(1, 28682955), (3, 9560985), (5, 5736591), (7, 4097565), (9, 3186995), (15, 1912197), (21, 1365855), (23, 1247085), (35, 819513), (37, 775215), (45, 637399), (63, 455285), (69, 415695), (105, 273171), (107, 268065), (111, 258405), (115, 249417), (161, 178155), (185, 155043), (207, 138565), (259, 110745), (315, 91057), (321, 89355), (333, 86135), (345, 83139), (483, 59385), (535, 53613), (555, 51681), (749, 38295), (777, 36915), (805, 35631), (851, 33705), (963, 29785), (1035, 27713), (1295, 22149), (1449, 19795), (1605, 17871), (1665, 17227), (2247, 12765), (2331, 12305), (2415, 11877), (2461, 11655), (2553, 11235), (3745, 7659), (3885, 7383), (3959, 7245), (4255, 6741), (4815, 5957)]