20173321539

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1\times {\mathrm{1481}}^1$

素因数の和:2337

約数の個数: 64

約数和(自身を含む): 34577786880

約数和(自身を除く): 14404465341

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 679, 743, 873, 1481, 2037, 2229, 2619, 4443, 5201, 6111, 6687, 10367, 13329, 15603, 18333, 20061, 31101, 39987, 46809, 72071, 93303, 140427, 143657, 216213, 279909, 430971, 504497, 648639, 1005599, 1100383, 1292913, 1513491, 1945917, 3016797, 3301149, 3878739, 4540473, 7702681, 9050391, 9903447, 13621419, 23108043, 27151173, 29710341, 69324129, 106737151, 207972387, 320211453, 747160057, 960634359, 2241480171, 2881903077, 6724440513, 20173321539]

約数ペア:

[(1, 20173321539), (3, 6724440513), (7, 2881903077), (9, 2241480171), (21, 960634359), (27, 747160057), (63, 320211453), (97, 207972387), (189, 106737151), (291, 69324129), (679, 29710341), (743, 27151173), (873, 23108043), (1481, 13621419), (2037, 9903447), (2229, 9050391), (2619, 7702681), (4443, 4540473), (5201, 3878739), (6111, 3301149), (6687, 3016797), (10367, 1945917), (13329, 1513491), (15603, 1292913), (18333, 1100383), (20061, 1005599), (31101, 648639), (39987, 504497), (46809, 430971), (72071, 279909), (93303, 216213), (140427, 143657)]