219655815

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{3583}}^1$

素因数の和:3719

約数の個数: 32

約数和(自身を含む): 362643456

約数和(自身を除く): 142987641

約数列:

[1, 3, 5, 15, 61, 67, 183, 201, 305, 335, 915, 1005, 3583, 4087, 10749, 12261, 17915, 20435, 53745, 61305, 218563, 240061, 655689, 720183, 1092815, 1200305, 3278445, 3600915, 14643721, 43931163, 73218605, 219655815]

約数ペア:

[(1, 219655815), (3, 73218605), (5, 43931163), (15, 14643721), (61, 3600915), (67, 3278445), (183, 1200305), (201, 1092815), (305, 720183), (335, 655689), (915, 240061), (1005, 218563), (3583, 61305), (4087, 53745), (10749, 20435), (12261, 17915)]