12957315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 26038512

約数和(自身を除く): 13081197

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 61, 85, 105, 119, 147, 183, 245, 255, 289, 305, 357, 427, 595, 735, 833, 867, 915, 1037, 1281, 1445, 1785, 2023, 2135, 2499, 2989, 3111, 4165, 4335, 5185, 6069, 6405, 7259, 8967, 10115, 12495, 14161, 14945, 15555, 17629, 21777, 30345, 36295, 42483, 44835, 50813, 52887, 70805, 88145, 108885, 123403, 152439, 212415, 254065, 264435, 370209, 617015, 762195, 863821, 1851045, 2591463, 4319105, 12957315]

約数ペア:

[(1, 12957315), (3, 4319105), (5, 2591463), (7, 1851045), (15, 863821), (17, 762195), (21, 617015), (35, 370209), (49, 264435), (51, 254065), (61, 212415), (85, 152439), (105, 123403), (119, 108885), (147, 88145), (183, 70805), (245, 52887), (255, 50813), (289, 44835), (305, 42483), (357, 36295), (427, 30345), (595, 21777), (735, 17629), (833, 15555), (867, 14945), (915, 14161), (1037, 12495), (1281, 10115), (1445, 8967), (1785, 7259), (2023, 6405), (2135, 6069), (2499, 5185), (2989, 4335), (3111, 4165)]