90391965

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 147159936

約数和(自身を除く): 56767971

約数列:

[1, 3, 5, 15, 131, 157, 293, 393, 471, 655, 785, 879, 1465, 1965, 2355, 4395, 20567, 38383, 46001, 61701, 102835, 115149, 138003, 191915, 230005, 308505, 575745, 690015, 6026131, 18078393, 30130655, 90391965]

約数ペア:

[(1, 90391965), (3, 30130655), (5, 18078393), (15, 6026131), (131, 690015), (157, 575745), (293, 308505), (393, 230005), (471, 191915), (655, 138003), (785, 115149), (879, 102835), (1465, 61701), (1965, 46001), (2355, 38383), (4395, 20567)]