278328633

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3727}}^1$

素因数の和:3845

約数の個数: 32

約数和(自身を含む): 423739392

約数和(自身を除く): 145410759

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 341, 803, 1023, 2263, 2409, 3727, 6789, 11181, 24893, 40997, 74679, 115537, 122991, 272071, 346611, 816213, 1270907, 2992781, 3812721, 8434201, 8978343, 25302603, 92776211, 278328633]

約数ペア:

[(1, 278328633), (3, 92776211), (11, 25302603), (31, 8978343), (33, 8434201), (73, 3812721), (93, 2992781), (219, 1270907), (341, 816213), (803, 346611), (1023, 272071), (2263, 122991), (2409, 115537), (3727, 74679), (6789, 40997), (11181, 24893)]