87491985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 168652800

約数和(自身を除く): 81160815

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 59, 87, 105, 145, 177, 203, 295, 413, 435, 487, 609, 885, 1015, 1239, 1461, 1711, 2065, 2435, 3045, 3409, 5133, 6195, 7305, 8555, 10227, 11977, 14123, 17045, 25665, 28733, 35931, 42369, 51135, 59885, 70615, 86199, 98861, 143665, 179655, 201131, 211845, 296583, 430995, 494305, 603393, 833257, 1005655, 1482915, 2499771, 3016965, 4166285, 5832799, 12498855, 17498397, 29163995, 87491985]

約数ペア:

[(1, 87491985), (3, 29163995), (5, 17498397), (7, 12498855), (15, 5832799), (21, 4166285), (29, 3016965), (35, 2499771), (59, 1482915), (87, 1005655), (105, 833257), (145, 603393), (177, 494305), (203, 430995), (295, 296583), (413, 211845), (435, 201131), (487, 179655), (609, 143665), (885, 98861), (1015, 86199), (1239, 70615), (1461, 59885), (1711, 51135), (2065, 42369), (2435, 35931), (3045, 28733), (3409, 25665), (5133, 17045), (6195, 14123), (7305, 11977), (8555, 10227)]