4987395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 10063872

約数和(自身を除く): 5076477

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 223, 315, 355, 497, 639, 669, 1065, 1115, 1491, 1561, 2007, 2485, 3195, 3345, 4473, 4683, 7455, 7805, 10035, 14049, 15833, 22365, 23415, 47499, 70245, 79165, 110831, 142497, 237495, 332493, 554155, 712485, 997479, 1662465, 4987395]

約数ペア:

[(1, 4987395), (3, 1662465), (5, 997479), (7, 712485), (9, 554155), (15, 332493), (21, 237495), (35, 142497), (45, 110831), (63, 79165), (71, 70245), (105, 47499), (213, 23415), (223, 22365), (315, 15833), (355, 14049), (497, 10035), (639, 7805), (669, 7455), (1065, 4683), (1115, 4473), (1491, 3345), (1561, 3195), (2007, 2485)]