215989515

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2549}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 429624000

約数和(自身を除く): 213634485

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 269, 315, 807, 1345, 1883, 2421, 2549, 4035, 5649, 7647, 9415, 12105, 12745, 16947, 17843, 22941, 28245, 38235, 53529, 84735, 89215, 114705, 160587, 267645, 685681, 802935, 2057043, 3428405, 4799767, 6171129, 10285215, 14399301, 23998835, 30855645, 43197903, 71996505, 215989515]

約数ペア:

[(1, 215989515), (3, 71996505), (5, 43197903), (7, 30855645), (9, 23998835), (15, 14399301), (21, 10285215), (35, 6171129), (45, 4799767), (63, 3428405), (105, 2057043), (269, 802935), (315, 685681), (807, 267645), (1345, 160587), (1883, 114705), (2421, 89215), (2549, 84735), (4035, 53529), (5649, 38235), (7647, 28245), (9415, 22941), (12105, 17843), (12745, 16947)]