128939715

素因数分解:

$3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{4283}}^1$

素因数の和:4520

約数の個数: 32

約数和(自身を含む): 230307840

約数和(自身を除く): 101368125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 223, 669, 1115, 2007, 3345, 4283, 6021, 10035, 12849, 21415, 30105, 38547, 64245, 115641, 192735, 578205, 955109, 2865327, 4775545, 8595981, 14326635, 25787943, 42979905, 128939715]

約数ペア:

[(1, 128939715), (3, 42979905), (5, 25787943), (9, 14326635), (15, 8595981), (27, 4775545), (45, 2865327), (135, 955109), (223, 578205), (669, 192735), (1115, 115641), (2007, 64245), (3345, 38547), (4283, 30105), (6021, 21415), (10035, 12849)]