4020219

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 6912000

約数和(自身を除く): 2891781

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 239, 267, 623, 717, 801, 1673, 1869, 2151, 2403, 5019, 5607, 6453, 15057, 16821, 21271, 45171, 63813, 148897, 191439, 446691, 574317, 1340073, 4020219]

約数ペア:

[(1, 4020219), (3, 1340073), (7, 574317), (9, 446691), (21, 191439), (27, 148897), (63, 63813), (89, 45171), (189, 21271), (239, 16821), (267, 15057), (623, 6453), (717, 5607), (801, 5019), (1673, 2403), (1869, 2151)]