127968561

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 221270400

約数和(自身を除く): 93301839

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 203, 261, 267, 609, 623, 787, 801, 1827, 1869, 2361, 2581, 5509, 5607, 7083, 7743, 16527, 18067, 22823, 23229, 49581, 54201, 68469, 70043, 159761, 162603, 205407, 210129, 479283, 490301, 630387, 1437849, 1470903, 2031247, 4412709, 6093741, 14218729, 18281223, 42656187, 127968561]

約数ペア:

[(1, 127968561), (3, 42656187), (7, 18281223), (9, 14218729), (21, 6093741), (29, 4412709), (63, 2031247), (87, 1470903), (89, 1437849), (203, 630387), (261, 490301), (267, 479283), (609, 210129), (623, 205407), (787, 162603), (801, 159761), (1827, 70043), (1869, 68469), (2361, 54201), (2581, 49581), (5509, 23229), (5607, 22823), (7083, 18067), (7743, 16527)]