77790555

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 145196064

約数和(自身を除く): 67405509

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 255, 305, 549, 765, 915, 1037, 1667, 2745, 3111, 5001, 5185, 8335, 9333, 15003, 15555, 25005, 28339, 46665, 75015, 85017, 101687, 141695, 255051, 305061, 425085, 508435, 915183, 1275255, 1525305, 1728679, 4575915, 5186037, 8643395, 15558111, 25930185, 77790555]

約数ペア:

[(1, 77790555), (3, 25930185), (5, 15558111), (9, 8643395), (15, 5186037), (17, 4575915), (45, 1728679), (51, 1525305), (61, 1275255), (85, 915183), (153, 508435), (183, 425085), (255, 305061), (305, 255051), (549, 141695), (765, 101687), (915, 85017), (1037, 75015), (1667, 46665), (2745, 28339), (3111, 25005), (5001, 15555), (5185, 15003), (8335, 9333)]