71485995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 136249344

約数和(自身を除く): 64763349

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 71, 105, 129, 213, 215, 223, 301, 355, 497, 645, 669, 903, 1065, 1115, 1491, 1505, 1561, 2485, 3053, 3345, 4515, 4683, 7455, 7805, 9159, 9589, 15265, 15833, 21371, 23415, 28767, 45795, 47499, 47945, 64113, 67123, 79165, 106855, 110831, 143835, 201369, 237495, 320565, 332493, 335615, 554155, 680819, 1006845, 1662465, 2042457, 3404095, 4765733, 10212285, 14297199, 23828665, 71485995]

約数ペア:

[(1, 71485995), (3, 23828665), (5, 14297199), (7, 10212285), (15, 4765733), (21, 3404095), (35, 2042457), (43, 1662465), (71, 1006845), (105, 680819), (129, 554155), (213, 335615), (215, 332493), (223, 320565), (301, 237495), (355, 201369), (497, 143835), (645, 110831), (669, 106855), (903, 79165), (1065, 67123), (1115, 64113), (1491, 47945), (1505, 47499), (1561, 45795), (2485, 28767), (3053, 23415), (3345, 21371), (4515, 15833), (4683, 15265), (7455, 9589), (7805, 9159)]