12870117

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 21109760

約数和(自身を除く): 8239643

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 991, 999, 1443, 2973, 4329, 8919, 12883, 12987, 26757, 36667, 38649, 110001, 115947, 330003, 347841, 476671, 990009, 1430013, 4290039, 12870117]

約数ペア:

[(1, 12870117), (3, 4290039), (9, 1430013), (13, 990009), (27, 476671), (37, 347841), (39, 330003), (111, 115947), (117, 110001), (333, 38649), (351, 36667), (481, 26757), (991, 12987), (999, 12883), (1443, 8919), (2973, 4329)]