11917515

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 19863360

約数和(自身を除く): 7945845

約数列:

[1, 3, 5, 15, 37, 109, 111, 185, 197, 327, 545, 555, 591, 985, 1635, 2955, 4033, 7289, 12099, 20165, 21473, 21867, 36445, 60495, 64419, 107365, 109335, 322095, 794501, 2383503, 3972505, 11917515]

約数ペア:

[(1, 11917515), (3, 3972505), (5, 2383503), (15, 794501), (37, 322095), (109, 109335), (111, 107365), (185, 64419), (197, 60495), (327, 36445), (545, 21867), (555, 21473), (591, 20165), (985, 12099), (1635, 7289), (2955, 4033)]