18246735

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 36005760

約数和(自身を除く): 17759025

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 281, 333, 351, 481, 555, 585, 843, 999, 1405, 1443, 1665, 1755, 2405, 2529, 3653, 4215, 4329, 4995, 7215, 7587, 10397, 10959, 12645, 12987, 18265, 21645, 31191, 32877, 37935, 51985, 54795, 64935, 93573, 98631, 135161, 155955, 164385, 280719, 405483, 467865, 493155, 675805, 1216449, 1403595, 2027415, 3649347, 6082245, 18246735]

約数ペア:

[(1, 18246735), (3, 6082245), (5, 3649347), (9, 2027415), (13, 1403595), (15, 1216449), (27, 675805), (37, 493155), (39, 467865), (45, 405483), (65, 280719), (111, 164385), (117, 155955), (135, 135161), (185, 98631), (195, 93573), (281, 64935), (333, 54795), (351, 51985), (481, 37935), (555, 32877), (585, 31191), (843, 21645), (999, 18265), (1405, 12987), (1443, 12645), (1665, 10959), (1755, 10397), (2405, 7587), (2529, 7215), (3653, 4995), (4215, 4329)]