201914625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 378593280

約数和(自身を除く): 176678655

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 125, 155, 165, 275, 341, 375, 465, 775, 825, 1023, 1375, 1579, 1705, 2325, 3875, 4125, 4737, 5115, 7895, 8525, 11625, 17369, 23685, 25575, 39475, 42625, 48949, 52107, 86845, 118425, 127875, 146847, 197375, 244745, 260535, 434225, 538439, 592125, 734235, 1223725, 1302675, 1615317, 2171125, 2692195, 3671175, 6118625, 6513375, 8076585, 13460975, 18355875, 40382925, 67304875, 201914625]

約数ペア:

[(1, 201914625), (3, 67304875), (5, 40382925), (11, 18355875), (15, 13460975), (25, 8076585), (31, 6513375), (33, 6118625), (55, 3671175), (75, 2692195), (93, 2171125), (125, 1615317), (155, 1302675), (165, 1223725), (275, 734235), (341, 592125), (375, 538439), (465, 434225), (775, 260535), (825, 244745), (1023, 197375), (1375, 146847), (1579, 127875), (1705, 118425), (2325, 86845), (3875, 52107), (4125, 48949), (4737, 42625), (5115, 39475), (7895, 25575), (8525, 23685), (11625, 17369)]