7777981125

素因数分解:

$3^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{21143}}^1$

素因数の和:21276

約数の個数: 64

約数和(自身を含む): 14513241600

約数和(自身を除く): 6735260475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 109, 125, 135, 225, 327, 375, 545, 675, 981, 1125, 1635, 2725, 2943, 3375, 4905, 8175, 13625, 14715, 21143, 24525, 40875, 63429, 73575, 105715, 122625, 190287, 317145, 367875, 528575, 570861, 951435, 1585725, 2304587, 2642875, 2854305, 4757175, 6913761, 7928625, 11522935, 14271525, 20741283, 23785875, 34568805, 57614675, 62223849, 71357625, 103706415, 172844025, 288073375, 311119245, 518532075, 864220125, 1555596225, 2592660375, 7777981125]

約数ペア:

[(1, 7777981125), (3, 2592660375), (5, 1555596225), (9, 864220125), (15, 518532075), (25, 311119245), (27, 288073375), (45, 172844025), (75, 103706415), (109, 71357625), (125, 62223849), (135, 57614675), (225, 34568805), (327, 23785875), (375, 20741283), (545, 14271525), (675, 11522935), (981, 7928625), (1125, 6913761), (1635, 4757175), (2725, 2854305), (2943, 2642875), (3375, 2304587), (4905, 1585725), (8175, 951435), (13625, 570861), (14715, 528575), (21143, 367875), (24525, 317145), (40875, 190287), (63429, 122625), (73575, 105715)]