243375015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2843}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 420456960

約数和(自身を除く): 177081945

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 439, 1317, 2195, 2843, 5707, 6585, 8529, 14215, 17121, 28535, 36959, 42645, 85605, 110877, 184795, 554385, 1248077, 3744231, 6240385, 16225001, 18721155, 48675003, 81125005, 243375015]

約数ペア:

[(1, 243375015), (3, 81125005), (5, 48675003), (13, 18721155), (15, 16225001), (39, 6240385), (65, 3744231), (195, 1248077), (439, 554385), (1317, 184795), (2195, 110877), (2843, 85605), (5707, 42645), (6585, 36959), (8529, 28535), (14215, 17121)]