888945921

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1275

約数の個数: 40

約数和(自身を含む): 1363253760

約数和(自身を除く): 474307839

約数列:

[1, 3, 9, 27, 47, 81, 141, 239, 423, 717, 977, 1269, 2151, 2931, 3807, 6453, 8793, 11233, 19359, 26379, 33699, 45919, 79137, 101097, 137757, 233503, 303291, 413271, 700509, 909873, 1239813, 2101527, 3719439, 6304581, 10974641, 18913743, 32923923, 98771769, 296315307, 888945921]

約数ペア:

[(1, 888945921), (3, 296315307), (9, 98771769), (27, 32923923), (47, 18913743), (81, 10974641), (141, 6304581), (239, 3719439), (423, 2101527), (717, 1239813), (977, 909873), (1269, 700509), (2151, 413271), (2931, 303291), (3807, 233503), (6453, 137757), (8793, 101097), (11233, 79137), (19359, 45919), (26379, 33699)]