12840045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 21648384

約数和(自身を除く): 8808339

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 521, 795, 1563, 1643, 2605, 4929, 7815, 8215, 16151, 24645, 27613, 48453, 80755, 82839, 138065, 242265, 414195, 856003, 2568009, 4280015, 12840045]

約数ペア:

[(1, 12840045), (3, 4280015), (5, 2568009), (15, 856003), (31, 414195), (53, 242265), (93, 138065), (155, 82839), (159, 80755), (265, 48453), (465, 27613), (521, 24645), (795, 16151), (1563, 8215), (1643, 7815), (2605, 4929)]