27831568125

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{1373}}^1$

素因数の和:1984

約数の個数: 80

約数和(自身を含む): 48933086400

約数和(自身を除く): 21101518275

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 569, 625, 1373, 1425, 1707, 1875, 2375, 2845, 4119, 6865, 7125, 8535, 10811, 11875, 14225, 20595, 26087, 32433, 34325, 35625, 42675, 54055, 71125, 78261, 102975, 130435, 162165, 171625, 213375, 270275, 355625, 391305, 514875, 652175, 781237, 810825, 858125, 1066875, 1351375, 1956525, 2343711, 2574375, 3260875, 3906185, 4054125, 6756875, 9782625, 11718555, 14843503, 16304375, 19530925, 20270625, 44530509, 48913125, 58592775, 74217515, 97654625, 222652545, 292963875, 371087575, 488273125, 1113262725, 1464819375, 1855437875, 5566313625, 9277189375, 27831568125]

約数ペア:

[(1, 27831568125), (3, 9277189375), (5, 5566313625), (15, 1855437875), (19, 1464819375), (25, 1113262725), (57, 488273125), (75, 371087575), (95, 292963875), (125, 222652545), (285, 97654625), (375, 74217515), (475, 58592775), (569, 48913125), (625, 44530509), (1373, 20270625), (1425, 19530925), (1707, 16304375), (1875, 14843503), (2375, 11718555), (2845, 9782625), (4119, 6756875), (6865, 4054125), (7125, 3906185), (8535, 3260875), (10811, 2574375), (11875, 2343711), (14225, 1956525), (20595, 1351375), (26087, 1066875), (32433, 858125), (34325, 810825), (35625, 781237), (42675, 652175), (54055, 514875), (71125, 391305), (78261, 355625), (102975, 270275), (130435, 213375), (162165, 171625)]