16388595

素因数分解:

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

素因数の和:261

約数の個数: 64

約数和(自身を含む): 31847040

約数和(自身を除く): 15458445

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 193, 255, 333, 459, 555, 579, 629, 765, 965, 999, 1665, 1737, 1887, 2295, 2895, 3145, 3281, 4995, 5211, 5661, 7141, 8685, 9435, 9843, 16405, 16983, 21423, 26055, 28305, 29529, 35705, 49215, 64269, 84915, 88587, 107115, 121397, 147645, 192807, 321345, 364191, 442935, 606985, 964035, 1092573, 1820955, 3277719, 5462865, 16388595]

約数ペア:

[(1, 16388595), (3, 5462865), (5, 3277719), (9, 1820955), (15, 1092573), (17, 964035), (27, 606985), (37, 442935), (45, 364191), (51, 321345), (85, 192807), (111, 147645), (135, 121397), (153, 107115), (185, 88587), (193, 84915), (255, 64269), (333, 49215), (459, 35705), (555, 29529), (579, 28305), (629, 26055), (765, 21423), (965, 16983), (999, 16405), (1665, 9843), (1737, 9435), (1887, 8685), (2295, 7141), (2895, 5661), (3145, 5211), (3281, 4995)]