1820955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 3184704

約数和(自身を除く): 1363749

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 111, 185, 193, 255, 555, 579, 629, 965, 1887, 2895, 3145, 3281, 7141, 9435, 9843, 16405, 21423, 35705, 49215, 107115, 121397, 364191, 606985, 1820955]

約数ペア:

[(1, 1820955), (3, 606985), (5, 364191), (15, 121397), (17, 107115), (37, 49215), (51, 35705), (85, 21423), (111, 16405), (185, 9843), (193, 9435), (255, 7141), (555, 3281), (579, 3145), (629, 2895), (965, 1887)]