148505903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:975

約数の個数: 32

約数和(自身を含む): 191987712

約数和(自身を除く): 43481809

約数列:

[1, 7, 13, 31, 61, 91, 217, 403, 427, 793, 863, 1891, 2821, 5551, 6041, 11219, 13237, 24583, 26753, 52643, 78533, 172081, 187271, 347789, 368501, 684359, 1631933, 2434523, 4790513, 11423531, 21215129, 148505903]

約数ペア:

[(1, 148505903), (7, 21215129), (13, 11423531), (31, 4790513), (61, 2434523), (91, 1631933), (217, 684359), (403, 368501), (427, 347789), (793, 187271), (863, 172081), (1891, 78533), (2821, 52643), (5551, 26753), (6041, 24583), (11219, 13237)]