68400855

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 129467520

約数和(自身を除く): 61066665

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 2963, 4617, 7695, 8889, 14815, 23085, 26667, 44445, 56297, 80001, 133335, 168891, 240003, 281485, 400005, 506673, 720009, 844455, 1200015, 1520019, 2533365, 3600045, 4560057, 7600095, 13680171, 22800285, 68400855]

約数ペア:

[(1, 68400855), (3, 22800285), (5, 13680171), (9, 7600095), (15, 4560057), (19, 3600045), (27, 2533365), (45, 1520019), (57, 1200015), (81, 844455), (95, 720009), (135, 506673), (171, 400005), (243, 281485), (285, 240003), (405, 168891), (513, 133335), (855, 80001), (1215, 56297), (1539, 44445), (2565, 26667), (2963, 23085), (4617, 14815), (7695, 8889)]