16719045

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 33286176

約数和(自身を除く): 16567131

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 49, 69, 105, 115, 129, 147, 161, 215, 245, 301, 345, 483, 529, 645, 735, 805, 903, 989, 1127, 1505, 1587, 2107, 2415, 2645, 2967, 3381, 3703, 4515, 4945, 5635, 6321, 6923, 7935, 10535, 11109, 14835, 16905, 18515, 20769, 22747, 25921, 31605, 34615, 48461, 55545, 68241, 77763, 103845, 113735, 129605, 145383, 159229, 242305, 341205, 388815, 477687, 726915, 796145, 1114603, 2388435, 3343809, 5573015, 16719045]

約数ペア:

[(1, 16719045), (3, 5573015), (5, 3343809), (7, 2388435), (15, 1114603), (21, 796145), (23, 726915), (35, 477687), (43, 388815), (49, 341205), (69, 242305), (105, 159229), (115, 145383), (129, 129605), (147, 113735), (161, 103845), (215, 77763), (245, 68241), (301, 55545), (345, 48461), (483, 34615), (529, 31605), (645, 25921), (735, 22747), (805, 20769), (903, 18515), (989, 16905), (1127, 14835), (1505, 11109), (1587, 10535), (2107, 7935), (2415, 6923), (2645, 6321), (2967, 5635), (3381, 4945), (3703, 4515)]