188974485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 385781760

約数和(自身を除く): 196807275

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 311, 315, 643, 933, 945, 1555, 1929, 2177, 2799, 3215, 4501, 4665, 5787, 6531, 8397, 9645, 10885, 13503, 13995, 17361, 19593, 22505, 28935, 32655, 40509, 41985, 58779, 67515, 86805, 97965, 121527, 199973, 202545, 293895, 599919, 607635, 999865, 1399811, 1799757, 2999595, 4199433, 5399271, 6999055, 8998785, 12598299, 20997165, 26996355, 37794897, 62991495, 188974485]

約数ペア:

[(1, 188974485), (3, 62991495), (5, 37794897), (7, 26996355), (9, 20997165), (15, 12598299), (21, 8998785), (27, 6999055), (35, 5399271), (45, 4199433), (63, 2999595), (105, 1799757), (135, 1399811), (189, 999865), (311, 607635), (315, 599919), (643, 293895), (933, 202545), (945, 199973), (1555, 121527), (1929, 97965), (2177, 86805), (2799, 67515), (3215, 58779), (4501, 41985), (4665, 40509), (5787, 32655), (6531, 28935), (8397, 22505), (9645, 19593), (10885, 17361), (13503, 13995)]