215344605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{7247}}^1$

素因数の和:7545

約数の個数: 32

約数和(自身を含む): 395218944

約数和(自身を除く): 179874339

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 849, 1415, 1981, 4245, 5943, 7247, 9905, 21741, 29715, 36235, 50729, 108705, 152187, 253645, 760935, 2050901, 6152703, 10254505, 14356307, 30763515, 43068921, 71781535, 215344605]

約数ペア:

[(1, 215344605), (3, 71781535), (5, 43068921), (7, 30763515), (15, 14356307), (21, 10254505), (35, 6152703), (105, 2050901), (283, 760935), (849, 253645), (1415, 152187), (1981, 108705), (4245, 50729), (5943, 36235), (7247, 29715), (9905, 21741)]