129999090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{333331}}^1$

素因数の和:333354

約数の個数: 32

約数和(自身を含む): 335998656

約数和(自身を除く): 205999566

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 333331, 666662, 999993, 1666655, 1999986, 3333310, 4333303, 4999965, 8666606, 9999930, 12999909, 21666515, 25999818, 43333030, 64999545, 129999090]

約数ペア:

[(1, 129999090), (2, 64999545), (3, 43333030), (5, 25999818), (6, 21666515), (10, 12999909), (13, 9999930), (15, 8666606), (26, 4999965), (30, 4333303), (39, 3333310), (65, 1999986), (78, 1666655), (130, 999993), (195, 666662), (390, 333331)]