27810195

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 52306848

約数和(自身を除く): 24496653

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 157, 241, 245, 471, 723, 735, 785, 1099, 1205, 1687, 2355, 3297, 3615, 5061, 5495, 7693, 8435, 11809, 16485, 23079, 25305, 35427, 37837, 38465, 59045, 113511, 115395, 177135, 189185, 264859, 567555, 794577, 1324295, 1854013, 3972885, 5562039, 9270065, 27810195]

約数ペア:

[(1, 27810195), (3, 9270065), (5, 5562039), (7, 3972885), (15, 1854013), (21, 1324295), (35, 794577), (49, 567555), (105, 264859), (147, 189185), (157, 177135), (241, 115395), (245, 113511), (471, 59045), (723, 38465), (735, 37837), (785, 35427), (1099, 25305), (1205, 23079), (1687, 16485), (2355, 11809), (3297, 8435), (3615, 7693), (5061, 5495)]