2144115

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 4043520

約数和(自身を除く): 1899405

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 53, 87, 93, 145, 155, 159, 261, 265, 279, 435, 465, 477, 795, 899, 1305, 1395, 1537, 1643, 2385, 2697, 4495, 4611, 4929, 7685, 8091, 8215, 13485, 13833, 14787, 23055, 24645, 40455, 47647, 69165, 73935, 142941, 238235, 428823, 714705, 2144115]

約数ペア:

[(1, 2144115), (3, 714705), (5, 428823), (9, 238235), (15, 142941), (29, 73935), (31, 69165), (45, 47647), (53, 40455), (87, 24645), (93, 23055), (145, 14787), (155, 13833), (159, 13485), (261, 8215), (265, 8091), (279, 7685), (435, 4929), (465, 4611), (477, 4495), (795, 2697), (899, 2385), (1305, 1643), (1395, 1537)]