220131405

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2987

約数の個数: 64

約数和(自身を含む): 431397120

約数和(自身を除く): 211265715

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 117, 129, 135, 195, 215, 351, 387, 559, 585, 645, 1161, 1677, 1755, 1935, 2795, 2917, 5031, 5805, 8385, 8751, 14585, 15093, 25155, 26253, 37921, 43755, 75465, 78759, 113763, 125431, 131265, 189605, 341289, 376293, 393795, 568815, 627155, 1023867, 1128879, 1630603, 1706445, 1881465, 3386637, 4891809, 5119335, 5644395, 8153015, 14675427, 16933185, 24459045, 44026281, 73377135, 220131405]

約数ペア:

[(1, 220131405), (3, 73377135), (5, 44026281), (9, 24459045), (13, 16933185), (15, 14675427), (27, 8153015), (39, 5644395), (43, 5119335), (45, 4891809), (65, 3386637), (117, 1881465), (129, 1706445), (135, 1630603), (195, 1128879), (215, 1023867), (351, 627155), (387, 568815), (559, 393795), (585, 376293), (645, 341289), (1161, 189605), (1677, 131265), (1755, 125431), (1935, 113763), (2795, 78759), (2917, 75465), (5031, 43755), (5805, 37921), (8385, 26253), (8751, 25155), (14585, 15093)]