28997535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 26989665

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 89, 105, 107, 145, 203, 267, 321, 435, 445, 535, 609, 623, 749, 1015, 1335, 1605, 1869, 2247, 2581, 3045, 3103, 3115, 3745, 7743, 9309, 9345, 9523, 11235, 12905, 15515, 18067, 21721, 28569, 38715, 46545, 47615, 54201, 65163, 66661, 90335, 108605, 142845, 199983, 271005, 276167, 325815, 333305, 828501, 999915, 1380835, 1933169, 4142505, 5799507, 9665845, 28997535]

約数ペア:

[(1, 28997535), (3, 9665845), (5, 5799507), (7, 4142505), (15, 1933169), (21, 1380835), (29, 999915), (35, 828501), (87, 333305), (89, 325815), (105, 276167), (107, 271005), (145, 199983), (203, 142845), (267, 108605), (321, 90335), (435, 66661), (445, 65163), (535, 54201), (609, 47615), (623, 46545), (749, 38715), (1015, 28569), (1335, 21721), (1605, 18067), (1869, 15515), (2247, 12905), (2581, 11235), (3045, 9523), (3103, 9345), (3115, 9309), (3745, 7743)]