19875135

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{3863}}^1$

素因数の和:3892

約数の個数: 32

約数和(自身を含む): 37094400

約数和(自身を除く): 17219265

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 3863, 5145, 11589, 19315, 27041, 57945, 81123, 135205, 189287, 405615, 567861, 946435, 1325009, 2839305, 3975027, 6625045, 19875135]

約数ペア:

[(1, 19875135), (3, 6625045), (5, 3975027), (7, 2839305), (15, 1325009), (21, 946435), (35, 567861), (49, 405615), (105, 189287), (147, 135205), (245, 81123), (343, 57945), (735, 27041), (1029, 19315), (1715, 11589), (3863, 5145)]