409968225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2339}}^1$

素因数の和:2415

約数の個数: 72

約数和(自身を含む): 792136800

約数和(自身を除く): 382168575

約数列:

[1, 3, 5, 9, 15, 19, 25, 41, 45, 57, 75, 95, 123, 171, 205, 225, 285, 369, 475, 615, 779, 855, 1025, 1425, 1845, 2337, 2339, 3075, 3895, 4275, 7011, 7017, 9225, 11685, 11695, 19475, 21051, 35055, 35085, 44441, 58425, 58475, 95899, 105255, 133323, 175275, 175425, 222205, 287697, 399969, 479495, 526275, 666615, 863091, 1111025, 1438485, 1822081, 1999845, 2397475, 3333075, 4315455, 5466243, 7192425, 9110405, 9999225, 16398729, 21577275, 27331215, 45552025, 81993645, 136656075, 409968225]

約数ペア:

[(1, 409968225), (3, 136656075), (5, 81993645), (9, 45552025), (15, 27331215), (19, 21577275), (25, 16398729), (41, 9999225), (45, 9110405), (57, 7192425), (75, 5466243), (95, 4315455), (123, 3333075), (171, 2397475), (205, 1999845), (225, 1822081), (285, 1438485), (369, 1111025), (475, 863091), (615, 666615), (779, 526275), (855, 479495), (1025, 399969), (1425, 287697), (1845, 222205), (2337, 175425), (2339, 175275), (3075, 133323), (3895, 105255), (4275, 95899), (7011, 58475), (7017, 58425), (9225, 44441), (11685, 35085), (11695, 35055), (19475, 21051)]