51397875

素因数分解:

$3^3\times 5^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 96620160

約数和(自身を除く): 45222285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 125, 135, 157, 225, 291, 375, 471, 485, 675, 785, 873, 1125, 1413, 1455, 2355, 2425, 2619, 3375, 3925, 4239, 4365, 7065, 7275, 11775, 12125, 13095, 15229, 19625, 21195, 21825, 35325, 36375, 45687, 58875, 65475, 76145, 105975, 109125, 137061, 176625, 228435, 327375, 380725, 411183, 529875, 685305, 1142175, 1903625, 2055915, 3426525, 5710875, 10279575, 17132625, 51397875]

約数ペア:

[(1, 51397875), (3, 17132625), (5, 10279575), (9, 5710875), (15, 3426525), (25, 2055915), (27, 1903625), (45, 1142175), (75, 685305), (97, 529875), (125, 411183), (135, 380725), (157, 327375), (225, 228435), (291, 176625), (375, 137061), (471, 109125), (485, 105975), (675, 76145), (785, 65475), (873, 58875), (1125, 45687), (1413, 36375), (1455, 35325), (2355, 21825), (2425, 21195), (2619, 19625), (3375, 15229), (3925, 13095), (4239, 12125), (4365, 11775), (7065, 7275)]