205120695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{4093}}^1$

素因数の和:4371

約数の個数: 32

約数和(自身を含む): 354900672

約数和(自身を除く): 149779977

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 771, 1285, 3341, 3855, 4093, 10023, 12279, 16705, 20465, 50115, 53209, 61395, 159627, 266045, 798135, 1051901, 3155703, 5259505, 13674713, 15778515, 41024139, 68373565, 205120695]

約数ペア:

[(1, 205120695), (3, 68373565), (5, 41024139), (13, 15778515), (15, 13674713), (39, 5259505), (65, 3155703), (195, 1051901), (257, 798135), (771, 266045), (1285, 159627), (3341, 61395), (3855, 53209), (4093, 50115), (10023, 20465), (12279, 16705)]