5013981

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 8828160

約数和(自身を除く): 3814179

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 239, 259, 333, 567, 717, 777, 999, 1673, 2151, 2331, 2997, 5019, 6453, 6993, 8843, 15057, 19359, 20979, 26529, 45171, 61901, 79587, 135513, 185703, 238761, 557109, 716283, 1671327, 5013981]

約数ペア:

[(1, 5013981), (3, 1671327), (7, 716283), (9, 557109), (21, 238761), (27, 185703), (37, 135513), (63, 79587), (81, 61901), (111, 45171), (189, 26529), (239, 20979), (259, 19359), (333, 15057), (567, 8843), (717, 6993), (777, 6453), (999, 5019), (1673, 2997), (2151, 2331)]