161738985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1\times {\mathrm{599}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 265420800

約数和(自身を除く): 103681815

約数列:

[1, 3, 5, 15, 47, 141, 235, 383, 599, 705, 1149, 1797, 1915, 2995, 5745, 8985, 18001, 28153, 54003, 84459, 90005, 140765, 229417, 270015, 422295, 688251, 1147085, 3441255, 10782599, 32347797, 53912995, 161738985]

約数ペア:

[(1, 161738985), (3, 53912995), (5, 32347797), (15, 10782599), (47, 3441255), (141, 1147085), (235, 688251), (383, 422295), (599, 270015), (705, 229417), (1149, 140765), (1797, 90005), (1915, 84459), (2995, 54003), (5745, 28153), (8985, 18001)]