17980515

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 19344285

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 105, 135, 159, 189, 265, 315, 359, 371, 477, 795, 945, 1077, 1113, 1431, 1795, 1855, 2385, 2513, 3231, 3339, 5385, 5565, 7155, 7539, 9693, 10017, 12565, 16155, 16695, 19027, 22617, 37695, 48465, 50085, 57081, 67851, 95135, 113085, 133189, 171243, 285405, 339255, 399567, 513729, 665945, 856215, 1198701, 1997835, 2568645, 3596103, 5993505, 17980515]

約数ペア:

[(1, 17980515), (3, 5993505), (5, 3596103), (7, 2568645), (9, 1997835), (15, 1198701), (21, 856215), (27, 665945), (35, 513729), (45, 399567), (53, 339255), (63, 285405), (105, 171243), (135, 133189), (159, 113085), (189, 95135), (265, 67851), (315, 57081), (359, 50085), (371, 48465), (477, 37695), (795, 22617), (945, 19027), (1077, 16695), (1113, 16155), (1431, 12565), (1795, 10017), (1855, 9693), (2385, 7539), (2513, 7155), (3231, 5565), (3339, 5385)]