82551405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 142349760

約数和(自身を除く): 59798355

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 139, 255, 289, 411, 417, 685, 695, 867, 1445, 2055, 2085, 2329, 2363, 4335, 6987, 7089, 11645, 11815, 19043, 34935, 35445, 39593, 40171, 57129, 95215, 118779, 120513, 197965, 200855, 285645, 323731, 593895, 602565, 971193, 1618655, 4855965, 5503427, 16510281, 27517135, 82551405]

約数ペア:

[(1, 82551405), (3, 27517135), (5, 16510281), (15, 5503427), (17, 4855965), (51, 1618655), (85, 971193), (137, 602565), (139, 593895), (255, 323731), (289, 285645), (411, 200855), (417, 197965), (685, 120513), (695, 118779), (867, 95215), (1445, 57129), (2055, 40171), (2085, 39593), (2329, 35445), (2363, 34935), (4335, 19043), (6987, 11815), (7089, 11645)]