30221505

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 54990144

約数和(自身を除く): 24768639

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1051, 1065, 1917, 3153, 3195, 5255, 5751, 9459, 9585, 15765, 28377, 28755, 47295, 74621, 85131, 141885, 223863, 373105, 425655, 671589, 1119315, 2014767, 3357945, 6044301, 10073835, 30221505]

約数ペア:

[(1, 30221505), (3, 10073835), (5, 6044301), (9, 3357945), (15, 2014767), (27, 1119315), (45, 671589), (71, 425655), (81, 373105), (135, 223863), (213, 141885), (355, 85131), (405, 74621), (639, 47295), (1051, 28755), (1065, 28377), (1917, 15765), (3153, 9585), (3195, 9459), (5255, 5751)]