1288515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 2267136

約数和(自身を除く): 978621

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 163, 255, 465, 489, 527, 815, 1581, 2445, 2635, 2771, 5053, 7905, 8313, 13855, 15159, 25265, 41565, 75795, 85901, 257703, 429505, 1288515]

約数ペア:

[(1, 1288515), (3, 429505), (5, 257703), (15, 85901), (17, 75795), (31, 41565), (51, 25265), (85, 15159), (93, 13855), (155, 8313), (163, 7905), (255, 5053), (465, 2771), (489, 2635), (527, 2445), (815, 1581)]