77779575

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1889}}^1$

素因数の和:1969

約数の個数: 48

約数和(自身を含む): 145303200

約数和(自身を除く): 67523625

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 549, 675, 915, 1525, 1647, 1889, 2745, 4575, 5667, 8235, 9445, 13725, 17001, 28335, 41175, 47225, 51003, 85005, 115229, 141675, 255015, 345687, 425025, 576145, 1037061, 1275075, 1728435, 2880725, 3111183, 5185305, 8642175, 15555915, 25926525, 77779575]

約数ペア:

[(1, 77779575), (3, 25926525), (5, 15555915), (9, 8642175), (15, 5185305), (25, 3111183), (27, 2880725), (45, 1728435), (61, 1275075), (75, 1037061), (135, 576145), (183, 425025), (225, 345687), (305, 255015), (549, 141675), (675, 115229), (915, 85005), (1525, 51003), (1647, 47225), (1889, 41175), (2745, 28335), (4575, 17001), (5667, 13725), (8235, 9445)]