28018215

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 50487840

約数和(自身を除く): 22469625

約数列:

[1, 3, 5, 9, 15, 45, 59, 61, 173, 177, 183, 295, 305, 519, 531, 549, 865, 885, 915, 1557, 2595, 2655, 2745, 3599, 7785, 10207, 10553, 10797, 17995, 30621, 31659, 32391, 51035, 52765, 53985, 91863, 94977, 153105, 158295, 161955, 459315, 474885, 622627, 1867881, 3113135, 5603643, 9339405, 28018215]

約数ペア:

[(1, 28018215), (3, 9339405), (5, 5603643), (9, 3113135), (15, 1867881), (45, 622627), (59, 474885), (61, 459315), (173, 161955), (177, 158295), (183, 153105), (295, 94977), (305, 91863), (519, 53985), (531, 52765), (549, 51035), (865, 32391), (885, 31659), (915, 30621), (1557, 17995), (2595, 10797), (2655, 10553), (2745, 10207), (3599, 7785)]