31776990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21617}}^1$

素因数の和:21641

約数の個数: 48

約数和(自身を含む): 88720272

約数和(自身を除く): 56943282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21617, 43234, 64851, 108085, 129702, 151319, 216170, 302638, 324255, 453957, 648510, 756595, 907914, 1059233, 1513190, 2118466, 2269785, 3177699, 4539570, 5296165, 6355398, 10592330, 15888495, 31776990]

約数ペア:

[(1, 31776990), (2, 15888495), (3, 10592330), (5, 6355398), (6, 5296165), (7, 4539570), (10, 3177699), (14, 2269785), (15, 2118466), (21, 1513190), (30, 1059233), (35, 907914), (42, 756595), (49, 648510), (70, 453957), (98, 324255), (105, 302638), (147, 216170), (210, 151319), (245, 129702), (294, 108085), (490, 64851), (735, 43234), (1470, 21617)]