28247835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 57959424

約数和(自身を除く): 29711589

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 77, 105, 111, 165, 185, 231, 259, 385, 407, 555, 661, 777, 1155, 1221, 1295, 1983, 2035, 2849, 3305, 3885, 4627, 6105, 7271, 8547, 9915, 13881, 14245, 21813, 23135, 24457, 36355, 42735, 50897, 69405, 73371, 109065, 122285, 152691, 171199, 254485, 269027, 366855, 513597, 763455, 807081, 855995, 1345135, 1883189, 2567985, 4035405, 5649567, 9415945, 28247835]

約数ペア:

[(1, 28247835), (3, 9415945), (5, 5649567), (7, 4035405), (11, 2567985), (15, 1883189), (21, 1345135), (33, 855995), (35, 807081), (37, 763455), (55, 513597), (77, 366855), (105, 269027), (111, 254485), (165, 171199), (185, 152691), (231, 122285), (259, 109065), (385, 73371), (407, 69405), (555, 50897), (661, 42735), (777, 36355), (1155, 24457), (1221, 23135), (1295, 21813), (1983, 14245), (2035, 13881), (2849, 9915), (3305, 8547), (3885, 7271), (4627, 6105)]