20171248695

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{27431}}^1$

素因数の和:27877

約数の個数: 64

約数和(自身を含む): 38712038400

約数和(自身を除く): 18540789705

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 419, 585, 1257, 1755, 2095, 3771, 5447, 6285, 11313, 16341, 18855, 27235, 27431, 49023, 56565, 81705, 82293, 137155, 147069, 245115, 246879, 356603, 411465, 735345, 740637, 1069809, 1234395, 1783015, 3209427, 3703185, 5349045, 9628281, 11493589, 16047135, 34480767, 48141405, 57467945, 103442301, 149416657, 172403835, 310326903, 448249971, 517211505, 747083285, 1344749913, 1551634515, 2241249855, 4034249739, 6723749565, 20171248695]

約数ペア:

[(1, 20171248695), (3, 6723749565), (5, 4034249739), (9, 2241249855), (13, 1551634515), (15, 1344749913), (27, 747083285), (39, 517211505), (45, 448249971), (65, 310326903), (117, 172403835), (135, 149416657), (195, 103442301), (351, 57467945), (419, 48141405), (585, 34480767), (1257, 16047135), (1755, 11493589), (2095, 9628281), (3771, 5349045), (5447, 3703185), (6285, 3209427), (11313, 1783015), (16341, 1234395), (18855, 1069809), (27235, 740637), (27431, 735345), (49023, 411465), (56565, 356603), (81705, 246879), (82293, 245115), (137155, 147069)]