2105505

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 3706560

約数和(自身を除く): 1601055

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 659, 1065, 1977, 3195, 3295, 5931, 9885, 29655, 46789, 140367, 233945, 421101, 701835, 2105505]

約数ペア:

[(1, 2105505), (3, 701835), (5, 421101), (9, 233945), (15, 140367), (45, 46789), (71, 29655), (213, 9885), (355, 5931), (639, 3295), (659, 3195), (1065, 1977)]