72401505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{839}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 126766080

約数和(自身を除く): 54364575

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 523, 839, 1569, 2517, 2615, 4195, 5753, 7845, 9229, 12585, 17259, 27687, 28765, 46145, 86295, 138435, 438797, 1316391, 2193985, 4826767, 6581955, 14480301, 24133835, 72401505]

約数ペア:

[(1, 72401505), (3, 24133835), (5, 14480301), (11, 6581955), (15, 4826767), (33, 2193985), (55, 1316391), (165, 438797), (523, 138435), (839, 86295), (1569, 46145), (2517, 28765), (2615, 27687), (4195, 17259), (5753, 12585), (7845, 9229)]